The Shadow Invisa-Lite Pro Insoles are designed to keep your foot secure and stable, while providing impact defense The Shadow Invisa-Lite Pro Insoles are designed to keep your foot secure and stable, while providing impact defense Engineered with an ergonomic shape featuring a deep heel cup and mid arch that evenly distributes weight, alleviating joint stress during the heaviest impacts The Invisa-Lite Pro Insoles come equipped with Stabalite and ShockFoam Impact Proof Protection materials Stabalite cushions and stabilizes - Layered together with a moisture wicking upper fabric, all three materials work together to guarantee high performance, protection, durability and ultimate comfort May be used in place of or in addition to existing insoles