Long-lasting support packed into a thinner, high-performance insole to help improve the fit of a wide range of footwear. Category: Comfort Thickness: Mid FEATURES  BIOMECHANICAL SHAPE   HIGH-DENSITY FOAM Closed-cell foam supports and cushions the foot for long lasting comfort. ANTIMICROBIAL COATING All natural coating that inhibits the growth of odor-causing bacteria. STABILIZER CAP The base of the insole that supports the rear foot and provides structure and stability to the foam layer. HEEL CUP Helps position the heel to naturally absorb impact.