Excellent used condition Appears untrimmed Men 5.5-7 Women 6.5-8 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.