Superfeet Copper DMP Insoles naturally mold to your unique foot shape through daily wear, giving you a personalized fit without the need to heat the insole in an oven. . Designed primarily for footwear with a removable insole. Naturally mold to your unique foot shape through daily wear for a personalized fit. Do not require heating in an oven. DMP (Dynamic Molding Process) 3-layer foam adapts to the shape of your footinsoles biomechanical integrity remains intact for support and stabilization. Moderately deep heel cup provides control and comfort. Nylon top cover reduces friction by allowing the foot to move slightly with the insole. Strong, lightweight 3/4-length polypropylene stabilizer cap supports the rear foot. Reinforced for optimum flexibility in the midfoot. Agion antimicrobial-treated top cover inhibits the growth of odor-causing bacteria. Recommended foot type: ideal for low to medium arched feet, yet accommodates all arch types. Recommended footwear: dress, casual, service, industrial, golf, and any footwear for low-impact activities with removable insoles. Men's U.S. shoe sizes: C (5.5 - 7); D (7.5 - 9); E (9.5 - 11); F (11.5 - 13); G (13.5 - 15). Women's U.S. shoe sizes: B (4.5 - 6); C (6.5 - 8); D (8.5 - 10); E (10.5 - 12) 86301370141 19011300036 3700