GoreTex 100% waterproof boot, premium full grain leather uppers. Speed D-rings for easy on and off. Air injected latex insoles with thousands of tiny air bubles molds to foot for custom fit and extrem cushioning. Supportive cushioned latex mid-soles with Soft-Air Technology provide maximum cushioning to protect feet, knees, and spine. Dual density shock absorbing latex outsole provides superb walking comfort all day long.