Sidas 3Feet Active Low arch insoles are designed to provide support, cushioning and comfort for low arched feet. The materials used are lightweight and breathable. The mid-foot and rear-foot are supported by a reinforced by a dynamic and flexible shell material. A gel pad is position under the heel to provide a long lasting level of cushioning. Sidas 3Feet Active insoles are perfect for running shoes, sports footwear and ski boots.