1Soft and shock-absorbing, sweat-proof and can better fit for your foot, comfortable to wear. 2Comfortable, reduce pressure, breathable, fine mesh fabric of surface layer. 3Has good air permeability and wear resistance, light and comfortable. 4High-elastic memory sponge, good resilience, shock absorption, decompression, heat insulation. 5Evenly distributed foot pressure and can effectively protect the arch.