Breakthrough technology uses the strength of carbon fiber with ultralight foam to create one of the most innovative, high-performance Superfeet insoles ever. Made to fit well in moderate to slim-fitting athletic footwear, like running shoes, bike shoes, and cleats. Trim to fit your shoe size.FeaturesHeel Cup: Cradles the heel to optimize natural shock absorption.Low Arch Superfeet Shape: Thin, low arch orthotic support helps stabilize the foot, reducing stress on feet, ankles, knees, and back.Durable Construction: Superfeet insoles keep their shape, delivering reliable support and comfort for up to 12 months or 500 miles, whichever comes first.Organic Odour-Control Coating: All natural coating helps minimize odors.Carbon Fibre Stabilizer cap: The base of the insole helps support the rearfoot and provides strength and stability to the foam layer, reinforced with EVOLyte®, a proprietary carbon fiber, and polymer blend.Lightweight High-Density Foam: Durable, closed-cell foam delivers long-lasting comfort, even in slim-fitting athletic footwear and cleatsWide Forefoot with Beveled Edge: Made to fit well in a wide range of footwear, including shoes with a wide toebox, with beveled foam edge for a better fit, and perforations to maximize airflow.Superfeet: Comfortable, durable, carbon fibre and high-density foam arch support shoe insoles. Odour Control: These arch support insoles have a coating to help with odours in your shoes. Durable Orthotic Shoe Insoles: For reliable support and comfort for up to 12 months or 500 miles. Low Arch Support Insoles: Orthotic support stabilizes the foot, reducing stress on feet, knees and back. Heel Cup: Insoles cradle heel in shoes to optimize natural shock absorption.Best Sellers Rank: See Top 100 in Health & Household. Recommended Uses For Product: Heel,Shoe. Material: Polyester. Use for: Foot. Color: Gray. Brand: Superfeet. Country of Origin: USA. : B00EZ6YWUY. Manufacturer: Superfeet. Date First Available: September 30, 2013. Department: Unisex-adult. Item model number: CARBON. Product Dimensions: 12.6 x 1.57 x 4.33 inches; 2.08 Ounces. Is Discontinued By Manufacturer: No.