Material: Made of EVA memory foam, soft, ultra light and comfortable to wear. Shock Absorbing: Shock absorbing design in the heel Provides extra support to the heel and base of the foot. Good elasticity, Anti distort,which could provide comfort feeling and billiant cushioning experience. Honeycomb: Breathable, absorb sweat, suitable for sports. ensure comfort wearing experience. Application: Great for jogging, running, climbing, basketball, football, cycling, golf, tennis, etc. Ergonomics Arc Design: Ergonomics arc design to keep a prefect fit to feet, rlease feet pressure and improve comfortable weering. Specifications: Product Name: Sports Insole Color: Black Material: EVA+poly HI+ Mesh Size: About 38, 39, 40, 41, 42, 43, 44, 45 38: About 24cm/9.41inch(L) 39: About 24.5cm/9.6inch(L) 40: About 25cm/9.8inch(L) 41: About 25.5cm/10inch(L) 42: About 26cm/10.2inch(L) 43: About 26.5cm/10.4inch(L) 44: About 27cm/10.6inch(L) 45: About 27.5cm/10.8inch(L) Package Included: 1 Pair * Sport Insoles