TWM647633U - double mattress - Google Patents

Abstract

The invention provides a double mattress, which includes a first mattress body, a second mattress body, a set body and a dual-purpose mattress body. The first pad body and the second pad system are horizontally disposed against each other. The cover body covers the first pad body and the second pad body and has an opening, a closing structure and at least one first connecting piece. , the closed structure is provided corresponding to the opening, the dual-purpose pad body has a warm part, a cool part and at least a second connecting piece, the warm part and the cool part are arranged oppositely, and the second connecting part is provided with the third A connecting piece is fixed to each other so that the dual-purpose pad body is fixed to the top side of the cover body, the first pad body and the second pad body with the warm part facing upward or the cooling part facing upward. In this way, this invention achieves the advantages of easy replacement and assembly through multiple independent pad bodies, and uses the dual-purpose pad body to achieve the functions required to easily respond to rapid changes in seasonal temperatures.

Description

double mattress

This creation is related to the field of bedding, especially a structure with multiple independent mattresses that is easy to assemble and replace, facilitates transportation, extends the service life of the mattress, and meets customized needs, and can be easily and conveniently adjusted according to seasonal climate. A double mattress with changing contact surfaces to achieve warmth and cooling functions.

The mattress is an important component of the sleep system. A good mattress can provide excellent comfort and support, allowing users to obtain good sleep quality. According to usage requirements and size settings, mattresses can be divided into single mattresses, double mattresses, etc., among which a double mattress is a mattress product that can be used by two people to lie down at the same time.

Due to the relatively large size and weight of a double mattress, many problems are often encountered in transporting it. For example, due to its heavy weight and large size, it is quite inconvenient to transport, and may require the combined efforts of multiple people at the same time. In addition, in practice, it is also common that the entrance and exit of the residence where the mattress is to be placed is too narrow to allow a double mattress to pass smoothly, or it is often necessary to carry it in a narrow and curved stair space. The larger size of the double mattress and The weight greatly increases the difficulty for transporters. However, due to the size and weight limitations of double mattresses, there is currently no better solution to these situations.

In addition, current mattress products also have room for improvement in the temperature adjustment part. For example, most existing mattress products cannot adjust temperature and can only provide a fixed temperature feeling, which means that the mattress cannot provide a cooling feeling when it is hot. , or it cannot provide sufficient warmth when it is cold. Therefore, most users can only rely on external mechanisms for temperature adjustment, such as air conditioning to improve the quality of lying down, which causes inconvenience and energy consumption.

In view of this, the present creator has gathered many years of rich experience in related industries to conceive and propose a double mattress to effectively improve the many shortcomings of the above-mentioned existing mattress products.

One of the purposes of this creation is to provide a double mattress that can solve all the inconveniences caused by the transportation of double mattresses due to their size and weight. At the same time, it can be easily assembled and adjusted to suit the temperature or use. Patients need the advantage of adjusting the temperature sensation while lying down.

In order to achieve the above purpose, this invention discloses a double mattress, which includes: a first cushion body; a second cushion body, horizontally supported on one side of the first cushion body; and a cover body, covering the third mattress body. A pad body and the second pad body are provided outside the body, and the cover body has an opening, a closing structure and at least one first connecting piece. The closing structure is provided corresponding to the opening for adjusting the opening and closing state of the opening; and a dual purpose The pad body has a warm-keeping part, a cool-feeling part and at least one second connecting piece. The warm-keeping part and the cool-feeling part are located on opposite sides of the dual-purpose pad body. The second connecting piece is provided with the first connecting piece. The dual-purpose pad body is fixed to the top side of the cover body, the first pad body and the second pad body with the warm part facing upward or the cooling part facing upward.

Preferably, the first cushion body has a plurality of first independent spring cylinders, and the second cushion body has a plurality of second independent spring cylinders, thereby providing good lying support and better durability.

Preferably, the first cushion body and the second cushion body have different softness and hardness, so as to have high applicability in response to the lying needs of different users.

Preferably, the first connecting member and the second connecting member are corresponding Velcro felts to have the advantage of easy assembly and disassembly.

Preferably, the first connecting member is located on the top surface of the cover body, and the second connecting member is located on the side of the dual-purpose pad body, which can facilitate quick assembly or disassembly.

Preferably, when the first connecting piece and the second connecting piece are arranged in plural, at least one first connecting piece is located at a corner position of the sleeve body, and at least one second connecting piece is located correspondingly on the dual-purpose The corner position of the pad body is designed to have a more appropriate structural configuration and facilitate disassembly and assembly. Furthermore, the number of the first connecting members and the second connecting members is four respectively, so that the assembly fixing points of the dual-purpose pad body and the cover body can be dispersed at four corners, thereby improving assembly stability.

Preferably, the opening is U-shaped, and the closing structure is a zipper, so that the first pad body and the second pad body can be placed into the cover body, and the opening can be quickly opened and closed; further, the opening can be Located on the side of the cover body, it is convenient for replacement or placement operations.

Preferably, a first assembly is provided on at least one side of the first pad body, and a second assembly is provided on at least one side of the second pad body, so that the first pad body and the second pad body are The mutual assembly can enhance the assembly stability of the first pad body and the second pad body and reduce the probability of slippage.

Preferably, the first assembly part and the second assembly part are corresponding Velcro felts, which can also facilitate assembly and disassembly.

Preferably, the dual-purpose cushion body further includes at least one support layer sandwiched between the cooling part and the warm part, and the support layer is one of foam, latex, rubber or a combination thereof to enhance the The dual-purpose cushion body provides a comfortable feeling when lying down.

Preferably, the cooling part has a cooling fabric layer, and the cooling fabric layer has one of cooling cotton, cooling polyester fiber, cooling bamboo fiber, cooling silk, or a combination thereof, so as to provide the user with cooling when lying down. Comfortable feel and function.

Preferably, the cooling-feeling part has a cooling-feeling base layer, and the cooling-feeling fabric layer is stacked on the cooling-feeling base layer. The material of the cooling-feeling base layer is one of gel memory foam, latex or cold gel, or a combination thereof. , so as to enhance the heat dissipation performance of the cooling part.

Preferably, the thermal insulation part has a thermal insulation fabric layer, and the thermal insulation fabric layer has one of wool, cotton fiber, polyamide fiber or polyester fiber or a combination thereof to provide the user with warmth retention when lying down. its feelings and functions.

Preferably, the thermal insulation part has a thermal insulation base layer, and the thermal insulation fabric layer is stacked on the thermal insulation base layer. The material of the thermal insulation base layer is one of wool, down, thermal cotton, or a combination thereof, so as to strengthen the The thermal insulation effect of the thermal insulation part reduces heat energy leakage.

To sum up, the double mattress of this invention has the advantage of being easy to transport, move and replace, and it is also conducive to providing temperature adjustment function according to seasonal climate or user needs, which can greatly improve the convenience of use of the double mattress and provide A more comfortable experience for users. This double mattress utilizes the separate base concept to customize the lying softness and hardness according to different users, increasing the variability of the double mattress. Furthermore, this invention also has relatively convenient performance in assembly, such as by making the first connecting piece and the second connecting piece into corresponding Velcro felts, or by making the first connecting piece and the second connecting piece respectively disposed at corner positions. Such features allow the dual-purpose pad body to be quickly assembled on or removed from the cover body; in addition, a first assembly member can also be disposed between the first pad body and the second pad body. and the characteristics of the second assembly to enhance the strength and stability of the combination between the two, and further the first assembly and the second assembly can also use corresponding Velcro felt structures; as for the cooling part of the dual-purpose pad body And the thermal insulation part, specifically, it can have structural and material conditions such as a cooling fabric layer, a cooling base layer, a warm fabric layer, and a warm base layer to enhance the intensity and accuracy of temperature regulation.

In order to enable those with ordinary knowledge in this field to clearly understand the contents of this creation, the following descriptions are accompanied by diagrams, please refer to them.

Please refer to Figures 1 to 3, which are an exploded schematic diagram of the double mattress structure, a schematic assembly diagram of the double mattress structure and a schematic cross-sectional view of the dual-purpose mattress body according to the preferred embodiment of the present invention. The invention discloses a double mattress 1, which includes a first mattress body 10, a second mattress body 11, a cover body 12 and a dual-purpose mattress body 13. The second pad body 11 is horizontally disposed on one side of the first pad body 10. Preferably, the first pad body 10 has a plurality of first independent spring cylinders 101 inside, and the second pad body 11 has a plurality of first independent spring cylinders 101 inside. A plurality of second independent spring cylinders 111 are used, so that the first cushion body 10 and the second cushion body 11 are spring-type mattress structures. Of course, the first cushion body 10 and the second cushion body 11 can also be, for example, latex. , memory mattress and other types. In addition, in this embodiment, the first pad body 10 and the second pad body 11 are rectangular structures of equal size as an example.

The cover body 12 covers the first pad body 10 and the second pad body 11, and the cover body 12 has an opening 121, a closing structure 122 and at least one first connecting member 123. The closing structure 122 It is provided corresponding to the opening 121 for adjusting the opening and closing state of the opening 121 . In this embodiment, the cover body 12 roughly corresponds to the rectangular structure of the first pad body 10 and the second pad body 11 which are horizontally disposed. The dual-purpose pad body 13 has a warm portion 131, a cool-feeling portion 132 and at least one second connecting piece 133. The warm-preserving portion 131 and the cool-feeling portion 132 are located on opposite sides of the dual-purpose pad body 13, and the third The two connecting parts 133 are used to fix each other with the first connecting part 123 so that the dual-purpose pad body 13 is fixed to the cover body 12 and the first pad body with the warm part 131 facing upward or the cooling part 132 facing upward. 10 and the top side of the second pad body 11. Preferably, the dual-purpose pad body 13 can be approximately the same size as the top surface of the cover body 12 on which the first pad body 10 and the second pad body 11 are placed, so as to facilitate the user to lie down on it reliably. On the dual-purpose pad body 13, the dual-purpose pad body 13 in this embodiment is also in a rectangular structure.

In this way, the invention can make it more convenient and simple to transport and move the double mattress 1 through the independent structure of the first cushion body 10 and the second cushion body 11. At the same time, under this feature, if it encounters damage, You can also choose to replace any of the mats. This way, you can avoid the wasteful and non-environmental disposal method of discarding the entire double-sized mat. More specifically, if only part of the traditional single-double-size mattress is damaged, the entire mattress must still be discarded and replaced. This will increase the volume of discarded garbage and cause a waste of items. Through the structure of this invention, when damage occurs, you only need to choose to discard any corresponding damaged pad body and replace it with a new one, which greatly reduces the volume of garbage, helps protect the natural environment and reduces unnecessary waste. The advantage of material consumption is that it is a very environmentally friendly product. In terms of transportation, for example, when the double mattress 1 is to be transported to a home via stairs, the first mattress body 10 and the second mattress body 11 can be transported to the home respectively, and then the The cover body 12 can be placed outside the first cushion body 10 and the second cushion body 11 to form the base structure of the double mattress 1 . As for the assembly after being transported to a fixed point, there are several implementations. For example, the cover body 12 is placed first, and then the first pad body 10 and the second pad body 11 are put into the cover body 12 through the opening 121 . inside, or the first cushion body 10 and the second cushion body 11 can be brought together horizontally first and then the cover body 12 can be placed outside the first cushion body 10 and the second cushion body 11, but the above The steps are not the technical focus of this creation, so they will not be described further here. The dual-purpose mattress body 13 of the double mattress 1 can provide the user with quick and convenient adjustment and use at any time in response to climate changes or personal preferences, without having to prepare many additional items. For example, in summer, the cooling part 132 can be fixed to each other through the first connecting part 123 and the second connecting part 133 with the cooling part 132 facing upward, so that the user can lie down on the cooling part 132; in winter, the cooling part 132 can be positioned upward. The first connecting member 123 and the second connecting member 133 are separated and the dual-purpose pad body 13 is turned over, so that the dual-purpose pad body 13 can be fixed to the cover body 12 and the third body with the warm portion 131 facing upward. On a pad body 10 and the second pad body 11. Through the arrangement of the first connecting member 123 and the second connecting member 133, the dual-purpose pad body 13 can be easily replaced for use in the required orientation, and there is no need to move below the cover body 12 and the first connecting member 133. The base structure composed of the pad body 10 and the second pad body 11 is relatively quick and convenient to use.

Since the double mattress 1 includes the first mattress body 10 and the second mattress body 11 structure, in addition to being relatively convenient for transportation, it can also achieve customized softness and hardness, for example, the third mattress can be customized. The first cushion body 10 and the second cushion body 11 have different softness and hardness, so that the mattress can be used according to the individual preferences of co-sleepers on the softness and hardness of the mattress, thereby greatly improving the comfort level. In order to make the first cushion body 10 and the second cushion body 11 have different soft and hardness performances, the first cushion body 10 and the second cushion body 11 respectively have the first independent spring tubes 101 and In the case of the second independent spring tubes 111, different spring structures and spring coefficients can be used; or different springs can be provided in the number and density; or the first pad body 10 and the second pad can be This is achieved by filling the body 11 with fillers of different materials.

Considering the convenience and speed of assembling the dual-purpose mattress 13 and the cover body 12, preferably, the first connecting member 123 and the second connecting member 133 can be corresponding Velcro felts, which can be used The first connecting member 123 has a hook-shaped structure, and the second connecting member 133 has a ring-shaped structure, or vice versa, so that it can have the advantages of quick sticking, fixing and tearing off. In addition, preferably, the first connecting member 123 is located on the top surface of the sleeve body 12, and the second connecting member 133 is located on the side of the dual-purpose pad body 13, so that a short connection distance can be achieved. Achieve excellent combination fixation effect. In addition, considering the overall structural design and ease of disassembly and assembly by the user, when the first connecting member 123 and the second connecting member 133 are provided in plural, at least one first connecting member 123 is located on the cover body 12 At the corner position, at least one second connecting member 133 is located corresponding to the corner position of the dual-purpose pad body 13, that is, at the edge turning point of the cover body 12 and the dual-purpose pad body 13. In this embodiment, That is the right angle position of the rectangle, so that better assembly stability can be achieved by fixing the corner points. Furthermore, the number of the first connecting members 123 and the second connecting members 133 can be four respectively. At this time, the first connecting members 123 and the second connecting members 133 can be located on the sleeve body. 12 and the state of the four corners of the dual-purpose pad 13, or part of the first connecting parts 123 and part of the second connecting parts 133 are located at the corners, and the remaining first connecting parts 123 and the When the second connecting member 133 is located at the side of the cover body 12 and the dual-purpose pad body 13, the dual-purpose pad body 13 and the cover body 12 can be firmly combined.

In addition, in a preferred embodiment, the opening 121 of the cover body 12 can be U-shaped, and the closing structure 122 is a zipper, thereby allowing the cover body 12 to have a sufficient opening range to facilitate the opening of the third A pad body 10 and the second pad body 11 are disposed in the cover body. Choosing a zipper as the closing structure 122 has excellent ease of use and excellent closing strength. Of course, in other embodiments, the zipper can also be used. The closing structure 122 is, for example, a component composed of buttons. Further, the opening 121 can be opened on the top surface of the cover body 12, or as shown in this embodiment, the opening 121 can be located on the side of the cover body 12, which is convenient for assembling or replacing the first pad body. 10 or the second pad body 11 is constructed from the side of the cover body 12 to provide better operational convenience.

Regarding the first pad body 10 and the second pad body 11, in order to improve the stability of their installation, at least one side of the first pad body 10 can be provided with a first assembly 102, and the second pad body 10 can be provided with a first assembly 102. A second assembly 112 is provided on at least one side of the body 11 so that the first pad body 10 and the second pad body 11 are assembled with each other, so that the first pad body 10 and the second pad body 11 can be further improved. the positioning effect. Furthermore, the first assembly 102 and the second assembly 112 can also be corresponding Velcro or fasteners, which have the advantages of convenient disassembly and assembly, high assembly strength, and low manufacturing cost.

In an embodiment, as shown in Figure 3, the dual-purpose pad body 13 may further include at least one support layer 134, which is sandwiched between the cooling part 132 and the warm part 131, and the support layer 134 is one of foam, latex, rubber or a combination thereof, so that the dual-purpose cushion body 13 can provide better lying comfort.

In addition, in order to improve the strength and efficiency of the dual-purpose pad body 13 in temperature regulation, this invention also proposes some better examples for the cooling part 132 and the warm part 131. The cool-feeling part 132 may have a structure with a cool-feeling fabric layer 1321, and the cooling-feeling fabric layer 1321 is made of one of cooling-feeling cotton, cooling-feeling polyester fiber, cooling-feeling bamboo fiber, cooling-feeling silk, or a combination thereof, so as to allow users to use People may feel cool when lying down and touching it. The aforementioned cool-feeling cotton, cool-feeling polyester fiber, cool-feeling bamboo fiber, and cool-feeling silk refer to cotton fiber, polyester fiber, bamboo fiber, and silk that have good moisture absorption, perspiration, and fast performance through special processing such as adding mineral powder. Drying and heat dissipation properties.

Further, the cooling feeling part 132 may have a cooling feeling base layer 1322, and the cooling feeling fabric layer 1321 is stacked on the cooling feeling base layer 1322. The material of the cooling feeling base layer 1322 is gel memory foam, latex or cold gel. One of them or a combination thereof can enhance the heat dissipation effect through the cooling base layer 1322 when the user is lying down, thereby effectively improving the performance of keeping cool and providing a better cooling effect.

The thermal insulation part 131 can also have a thermal insulation fabric layer 1311, and the thermal insulation fabric layer 1311 is made of one of wool, cotton fiber, polyamide fiber or polyester fiber or a combination thereof, so that the user can contact it while lying down. The thermal insulation fabric layer 1311 can reduce heat dissipation, effectively keep the body warm, and also has excellent moisture absorption and perspiration properties.

Further, the thermal insulation part 131 has a thermal insulation base layer 1322, and the thermal insulation fabric layer 1321 is stacked on the thermal insulation base layer 1322. The material of the thermal insulation base layer 1322 is one of wool, down, thermal cotton, or a combination thereof. In this way, when the user lies down, the thermal insulation base layer 1322 can be used to enhance the thermal insulation effect, avoid temperature leakage, and provide the user with a better sleeping comfort.

To sum up, the double mattress system of this invention has the advantages of being easy to transport and move, easy to assemble, comfortable to lie on, and can adjust the lying feeling according to the seasonal temperature or the user's needs. Specifically, the double mattress of this invention is designed with multiple independent mattress bodies, which solves the problem of moving in the past due to the size and volume limitations of double mattresses. It is also very convenient and fast to assemble after moving and positioning. At the same time, Based on this structural feature, the first mattress body and the second mattress body can have different softness and hardness performance in response to the customized needs of co-sleepers with different preferences for mattress softness and hardness. In addition, the dual-purpose cushion body is used as an object for the user to directly lie down, and it has the function of adjusting the temperature of lying down with both cooling and warmth, and can be replaced through the first connecting piece and the second connecting piece structure. It is very convenient to assemble. Under different climate temperatures, the user only needs to place the warm part or the cool part upward, and then use the first connecting piece and the second connecting piece to make the dual-purpose pad body It can be used after being fixed on the cover body, the first pad body and the second pad body. In this way, users do not need to purchase other functional products and replace them repeatedly in different seasons and climates, and also save the inconvenience of storing other functional products. Furthermore, the invention also discloses many implementation examples. For example, a first assembly part and a second assembly part can be provided on the first pad body and the second pad body to enhance the stability of their assembly and prevent slipping; and further options can be used. The corresponding Velcro felts are the first connecting member, the second connecting member, the first assembly member and the second assembly member, and have the advantages of excellent assembly strength, convenience of disassembly and assembly, and low manufacturing cost. In addition, fabric layers and base layers using cooling materials and thermal insulation materials can also be provided on the dual-purpose pad structure to enhance the temperature regulation performance provided by the dual-purpose pad. In terms of assembly, the first connecting piece can be disposed on the top surface of the sleeve body and the second connecting piece is disposed on the side of the dual-purpose pad body for more convenient and rapid assembly, and the first connecting piece and the second connecting piece are also The structure can be placed in the corners to maintain the stability of the structural assembly through point fixation, and can be extended to the form of being placed in the four corners to further enhance the position fixing strength of the dual-purpose pad; it can also be The opening is U-shaped and the closing structure is a zipper to improve the convenience and speed of placement and replacement of the first pad body and the second pad body, and more preferably, the opening can be located on the side of the cover body The first pad body and the second pad body can be better placed and replaced.

The above are only descriptions of the preferred embodiments within the patentable scope of this invention, and are not intended to limit the scope of rights of this invention based on the content of these embodiments; therefore, any changes in the meaning of this invention are subject to change without departing from the equal scope of this invention. Or modifications should still be covered by the patentable scope of this creation.

1:Double mattress 10:First pad body 101: The first independent spring barrel 102:First assembly 11:Second pad body 111: Second independent spring barrel 112: Second assembly 12:Sleeve body 121:Open your mouth 122: closed structure 123:First connector 13:Dual-purpose pad body 131: Warming Department 1311: Warm fabric layer 1312: Warm base layer 132: Coolness Department 1321: Cool fabric layer 1322: Cool base layer 133:Second connector 134:Support layer

Figure 1 is an exploded schematic diagram of the structure of a double mattress according to the preferred embodiment of this invention. Figure 2 is a schematic diagram of the structure assembly of a double mattress according to the preferred embodiment of this invention. Figure 3 is a schematic cross-sectional view of the dual-purpose pad body according to the preferred embodiment of this invention.

1:Double mattress

10:First pad body

101: The first independent spring barrel

102:First assembly

11:Second pad body

111: Second independent spring barrel

112: Second assembly

12:Sleeve body

121:Open your mouth

122: closed structure

123:First connector

13:Dual-purpose pad body

131: Warming Department

132: Coolness Department

133:Second connector

Claims (16)

A double mattress containing: a first cushion body; a second cushion body, horizontally disposed on one side of the first cushion body; A set of body covering the first pad body and the second pad body, and the set body has an opening, a closing structure and at least one first connecting piece, the closing structure is provided corresponding to the opening for adjustment the opening and closing status of the opening; and A dual-purpose pad body has a warm-keeping part, a cool-feeling part and at least one second connecting piece. The warm-keeping part and the cool-feeling part are located on opposite sides of the dual-purpose pad body. The second connecting piece is provided with the third A connecting piece is fixed to each other so that the dual-purpose pad body is fixed to the top side of the cover body, the first pad body and the second pad body with the warm part facing upward or the cooling part facing upward. The double mattress as claimed in claim 1, wherein the first mattress body is provided with a plurality of first independent spring cylinders, and the second mattress body is provided with a plurality of second independent spring cylinders. The double mattress as claimed in claim 2, wherein the first cushion body and the second cushion body have different softness and hardness. The double mattress as claimed in claim 1, 2, or 3, wherein the first connecting member is located on the top surface of the cover body, and the second connecting member is located on the side of the dual-purpose mattress body. The double mattress as claimed in claim 4, wherein when the first connecting parts and the second connecting parts are provided in plural, at least one of the first connecting parts is located at a corner of the cover body, and at least one of the third connecting parts is located at a corner of the cover body. The two connecting pieces are correspondingly located at the corners of the dual-purpose pad body. The double mattress according to claim 5, wherein the first connecting parts and the second connecting parts are corresponding Velcro felts. The double mattress according to claim 6, wherein the number of the first connecting members and the second connecting members is four respectively. The double mattress as claimed in claim 7, wherein the opening is U-shaped and the closing structure is a zipper. The double mattress according to claim 8, wherein the opening is located on the side of the cover body. The double mattress as claimed in claim 9, wherein at least one side of the first cushion body is provided with a first assembly member, and at least one side of the second cushion body is provided with a second assembly member, so that the third A pad body and the second pad body are assembled with each other. The double mattress according to claim 10, wherein the first assembly and the second assembly are corresponding Velcro felts or fasteners. The double mattress according to claim 11, wherein the dual-purpose mattress body further includes at least one support layer sandwiched between the cooling part and the warmth part, and the support layer is made of foam, latex, or rubber. one or a combination thereof. The double mattress according to claim 11, wherein the cooling feeling part has a cooling feeling fabric layer, and the cooling feeling fabric layer has one of cooling feeling cotton, cooling feeling polyester fiber, cooling feeling bamboo fiber, cooling feeling silk, or a combination thereof. The double mattress according to claim 13, wherein the cooling feeling part has a cooling feeling base layer, and the cooling feeling fabric layer is stacked on the cooling feeling base layer, and the material of the cooling feeling base layer is gel memory foam, latex or cold feeling base layer. Gel one or a combination thereof. The double mattress according to claim 11, wherein the thermal insulation part has a thermal insulation fabric layer, and the thermal insulation fabric layer contains one of wool, cotton fiber, polyamide fiber or polyester fiber or a combination thereof. The double mattress according to claim 15, wherein the thermal insulation part has a thermal insulation base layer, and the thermal insulation fabric layer is stacked on the thermal insulation base layer, and the material of the thermal insulation base layer is one of wool, down, and thermal cotton. One or a combination thereof.