A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
A43B23/00—Uppers; Boot legs; Stiffeners; Other single parts of footwear
A43B23/02—Uppers; Boot legs
A43B23/0205—Uppers; Boot legs characterised by the material
A43B23/021—Leather
A—HUMAN NECESSITIES
A43—FOOTWEAR
A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
A43B23/00—Uppers; Boot legs; Stiffeners; Other single parts of footwear
A43B23/02—Uppers; Boot legs
A43B23/0245—Uppers; Boot legs characterised by the constructive form
A43B23/0265—Uppers; Boot legs characterised by the constructive form having different properties in different directions
A43B23/027—Uppers; Boot legs characterised by the constructive form having different properties in different directions with a part of the upper particularly flexible, e.g. permitting articulation or torsion
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Life Sciences & Earth Sciences
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Zoology
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Chemical & Material Sciences
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Engineering & Computer Science
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Materials Engineering
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Footwear And Its Accessory, Manufacturing Method And Apparatuses
(AREA)