FEATURES of the Vasque Women's Breeze III GTX Boot GORE-TEX with extended comfort technology Toe and heel ventilation ports Waterproof leather upper with air mesh Dual density EVA footbed A.T.C. (All Terrian Compound) Midsole with EVA Cushioning Pods, TPU Shank Vibram contact grip with Megagrip compound Serrated lugs offer micro traction during heel strike and toe-off