Sports sandal, characterized in that it comprises: a sole (10) provided with at least one through hole (13) and two openings (13, 14) located on two sides thereof; and at least one strip (30) that is provided with a positioning band (32) adapted to be introduced in said through hole (13) of said sole (10), in such a way that said positioning band can be fixed or removed of said strip. Sports sandal according to claim 1, characterized in that said through-hole (13) of said sole (10) has a cross-section in the form of an elongated opening; wherein said positioning band (32) of said strip has a cross section in the form of an elongated strip. 3. Sports sandal according to claim 1, characterized in that said sole (10) is provided with two through holes (13, 14). 4. Sports sandal according to claim 1, characterized in that said sole (10) is provided with three through holes. 5. Sports sandal according to claim 4, characterized in that at least two (13, 14) of said three through holes are parallel to each other. 6. Sports sandal according to claim 4, characterized in that at least two (13, 14) of said three through holes are crossed. 7. Sports sandal according to claim 1, characterized in that said opening of said through hole (13) is located on one side of said sole (10). 8. Sports sandal according to claim 7, characterized in that said openings of said through hole of said sole (10) communicate with a placement cavity (17) of strip located in its upper part and are provided on both sides with a tab of stop (18) to stop the strip (30, 40). 9. Sports sandal according to claim 8, characterized in that said openings of said through-hole (13, 14) are provided on their outer side with at least one protective wall (16) to protect said strip against friction. 10. Sports sandal according to claim 9, characterized in that said protective wall (16) is u-shaped and is located at the base of said openings and on two sides of said openings. 11. Sports sandal according to claim 9, characterized in that said protective wall (16) of said sole (10) is located on two sides of said opening. 12. Sports sandal according to claim 9, characterized in that said protection wall (16) is located at the base of said opening. 13. Sports sandal according to claim 1, characterized in that said openings of said through hole are located in the upper part of said sole (10). 14. Sports sandal according to claim 1, characterized in that said sole (10) is provided in its upper part with a midsole (20) fixed thereto. 15. Sports sandal according to claim 1, characterized in that said positioning band (32) of said strip is provided with a guiding part (33, 53) attached thereto. 16. Sports sandal according to claim 15, characterized in that said guide piece (33, 53) is provided with a hook hole (331, 531). 17. Sports sandal according to claim 1, characterized in that said band for positioning said strip is provided horizontally with a band hole. 18. Sports sandal according to claim 1, characterized in that said strip has a band retainer for joining said strip. 19. Sports sandal according to claim 18, characterized in that said band retainer is provided at its other end with two band bodies. 20. Sports sandal according to claim 18, characterized in that said band retainer has an insertion rod and is provided with a notch for introducing said band for positioning said strip. 21. Sports sandal according to claim 20, characterized in that said band retainer has a triangular shape. 22. Sports sandal according to claim 20, characterized in that said band retainer has a tetragonal shape. 23. Sports sandal according to claim 1, characterized in that said band for positioning said strip is provided with a removable insert retainer (60c), which in turn is provided with an insertion rod to hold said positioning band (32). ) of said strip. 24. Sports sandal according to claim 23, characterized in that said insert retainer (60c) has two tabs (61c, 62c) that are provided with a through hole and a threaded hole; wherein said insertion rod (61a) is introduced into said through hole so that said insertion rod (61a) engages said threaded hole. 25. Sports sandal according to claim 1, characterized in that said positioning band (32) of said strip is provided with retaining bands suitable to be fastened to each other. 26. Sport sandal according to claim 1, wherein said sole (10) has zones which are devoid of said through holes and are provided with a plurality of cavities and protrusions extending said cavities and said projections from the top of the sole ( 10). (Machine-translation by Google Translate, not legally binding)