Lightweight, yet sturdy, the Superfeet Black Capsule Insoles are supportive and comfortable for a great fit in all your shoes. Designed with an ultra-thin profile for when space is at a premium, this clever arch support absorbs shock upon impact to reduce the risk of injury.FeaturesSuitable for walking and everyday wearLightweight and ultra-thinFOUNDATION technology - Resists moisture and reduces shock.Agion technology - Provides long-lasting protection against bacteria. Encapsulating Stabilizer System [ESS] - Cradles the heel's fat pad for improved natural shock absorption.