The Zoot Ultra Speed 3.0 delivers unmatched comfort and a smooth ride in a lightweight, neutral running shoe. BareFit technology does away with virtually all the hot spots, blisters, and bloody feet. TriDry technology limits water retention and keeps your shoes feeling light. TekSheen engineered stretch provides maximum muscle stabilization and ventilation without increasing weight. Z-bound midsole has a very high energy return, resulting in less weight and great response. Wt. 6.6 oz.