Cushioned Insoles: The insoles are made of gel and polyurethane foam for cushioning and comfort. Height Increase: The insoles increase the height of your shoes by 0.6 inches to help correct leg length discrepancies. Heel Lift: The insoles provide a heel lift to help balance your gait and reduce strain on your feet. Blue Color: The insoles have a blue color that matches most footwear. Unisex Design: The insoles are designed for both men and women and can be used in any type of shoe.