Give those feet a rest with these Spenco Ground Control High Arch insoles. Reduces pronation with a decoupled heel, separating the heel from the arch support Perforated EVA body. Nylon arch support. Polymer forefoot and heel pads for energy return and absorption. Anti-slip footpad is a textured nylon fabric with Silpure Antimicrobial to help reduce odor. 100 percent nylon. Imported.