The Sorbothane® Ultra Plus Performance Insoles feature impressive stability and cushioned comfort that youll want during your everyday activities. These insoles offer an air-infused Sorbothane® base with an integrated support system and Sorbothane® impact protection. The lightweight integrated arch provides support without adding unnecessary weight. Dri-lex® fabric top cover wicks away moisture to promote a cool, dry and odor-free platform for your feet. Assembled in the USA. Accepted by the American Podiatric Medial Association. Air-infused base provides cushioned support. Sorbothane® inlays offer comfort and foot-strike protection. Features a deep heel cup that offers rear-foot support and proper heel positioning.