High performance insoles Specially made for all athletics, running, walking and hiking. Plastic foam material made of EVA. It is a low density, light weight and good thermal insulation, water-proof, cushioning and elastic. Provides superior shock absorption, excellent cushioning and long-lasting comfort. Air-holes for better air circulation and controlled sweat and odor foot! Size: men 5-13 | women 6-12 Suggest Retail Price: $13.50/pair