The superfeet all purpose support medium arch insoles give you support where you need it most, helping redistribute forces to reduce stress and strain on your entire body, not just your feet. Designed to replace the removable liner in a wide range of footwear.medium arch orthotic support helps stabilize the foot, reducing stress on feet, ankles, knees, and backsculpted heel cup cradles the heel to maximise natural shock absorptionmoisturewick top cover helps reduce odours and keeps feet freshstabiliser cap supports the rearfoot and provides structure and stability to the foam layerdurable high density closed cell foam supports the whole foot for long lasting comfortsuperfeet insoles keep their shape, delivering reliable support and comfort for up to 12 months or 500 miles, whichever comes firstarch height mediuminsole thickness midunderfoot cushioning firm