AIRfeet Relief O2 Insoles Size:Medium/Large The socks are anatomically designed

The socks are anatomically designed to fit the left and right foot

and fitting under clothing or sportswear

and a low-friction interior designed to help reduce heat buildup

and add heel cushioning without the bulk

AIRfeet Relief O2 Insoles Size:Medium/Large The socks are anatomically designedThe AIRfeet Relief O2 Insoles were designed to "compliment" whatever is already in your shoe. These insoles are designed for everyday use standing, walking, working, playing and living. To wear, simply slip them right into your shoes or on top of your orthotic or existing insoles to experience an immediate change under your feet. Use the perforated trim lines for a trim to fit option for the best fit inside of your shoe.