U-shaped Heel Pad Soft and Comfortable Shock Absorption Silicone Pad Insole, Size: M(35-39 Yards)

1. Silica gel material, with excellent characteristics of strong adsorption, good elasticity, aging resistance, cold resistance, high temperature resistance.
2. U-shaped fit, better fit the heel, walking more comfortable, shock absorption, pressure, even force.
3. The edge is more fit, curved design, good flexibility.