Features: High strenght external microfiber material Mesh net with high abrasion resistance Reinforced area made from polyurethane on heel, malleolus, slider area with shift padding Vented area on heel Reinforcement support on tip & heel Steel removable slider Micrometric fast-clip closure Zip fastening Air Tech plantar increases sweat dispersion Composite insole with metallic support Rounded, anti-skid, racing insole made from vulcanized rubber 3D inner mesh for easier transpiration Diagonal heel design keeps ideal foot positioning on bike pads