Optimize your running performance with plush cushioning and explosive traction designed for a powerful stride. Lightweight textured mesh upper with perforated synthetic overlays that lock down and support the midfoot. Semi-attached mesh tongue for ventilated support. Molded 4D Foam footbed conforms to your foot's exact shape to eliminate slippage. Full-length Micro G foam midsole turns cushioned landings into explosive takeoffs. Strategically placed blown rubber outsole for traction. Light, high-abrasion foam covers zones that get less tread for full ground contact. Wt. 9.8 oz.