The Superfeet Blue Full Length Footbed has a Biomechanical shape with high density foam which supports and cushions the foot to give long lasting comfort. The thinner high-performance insole is packed with long-lasting support to improve the fit of a wide range of footwear. It comes with an antimicrobial coating to inhibit the growth of odor-causing bacteria. The heel cup positions the heel to naturally absorb impact. Superfeet insoles are designed to to trimmed for the best fit.