The knitted material with ultra-quick-drying ArmourDry technology keeps your feet light, dry and cool. Double-sided adhesive material with ArmourGrip technology in the forefoot to prevent the foot from slipping in socks and shoes. ArmourDry technology helps dissipate moisture and allows sweat to evaporate quickly. Dynamic and cushioned arch support reduces leg fatigue. Mesh ventilation zones on the instep ensure breathability. Maximum cushioning in the toe, forefoot and heel for more protection where you need it most. 360° ankle padding for a secure fit in the shoe. A customized heel hugs the foot for a better fit. Specific fit and design for left/right side. One pair.