Prevents pronation and lowering of the plantar arch. Special anchors and polymer handle. It prevents periostitis and overloads in the tibialis anterior and soleus. Internal fixation. It has a copolymer incorporated on the inside of the cuff to prevent sock movement during all sports practice. Rear anchor to hold cufflinks. Technology in the foot in the shape of a "V" to control the first impact phase, preventing pronation and lowering of the plantar arch. Technology that reduces overloads and the risk of injury. Coolmax Technology. Sizes S 36-38 M 39-41 L 42-44 XL 45-47