Sidas 3Feet Active Mid arch insoles are designed to provide support, cushioning and comfort for Mid height arched feet. The 3Feet Active Mid insole is a popular choice for mild to over pronated foot types. The materials used are lightweight and breathable. The mid-foot and rear-foot have additional support and 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.