FEATURES of the Superfeet Men?s Copper Insoles ? Low to Medium Arch Structured heel cup maximizes natural shock absorption thanks to the way it encapsulates and positions the soft tissue under the heel The rearfoot support towards the back of your arch and the front of your heel is the Superfeet shape stabilizing the rearfoot, providing all day comfort even after the most active of days Bottom stabilizer cap acts of the base of the insole that supports the rear foot and provides structure and stability to the foam layer Naturally molds to your unique foot shape through daily wear, thanks to the pressure-sensitive memory foam The insole has a super accommodating heel cup that positions the heel to absorb impact naturally and comfortably The Copper insoles offer the most flexible and accommodating shape and support to keep your feet happy The biomechanical shape remains intact for support and stabilization while reducing stress on ankles, feet, and knees. So amazing. Designed primarily for footwear with a removable insole in order to get the full comfort and proper support To make these even better, they feature an all natural antimicrobial coating that helps prevent the growth of odor-causing bacteria Covered by Superfeet’s 60 Day Comfort Guarantee Superfeet ADD/APT System Origins trace all the way back to Superfeet’s start as the Sports Medicine Division of the the Northwest Podiatric Laboratory in 1974. Bunch of smarty pants. Encompasses the biomechanical science, technology, function and craftsmanship that adjust footwear’s existing flat, 2-dimensional midsole to support your 3-dimensional feet