Pure Boost ZG ShoesSuper-light running shoes that let you float across the pavement.Run fast. Run natural. Run extreme. Experience zero gravity in these lightweight running shoes. An EVA outsole and full boostâ„¢ midsole evoke a floating sensation, keeping every step charged with an endless supply of light, fast energy. An adidas Primeknit upper in this neutral runner is carefully engineered to naturally expand with your foot, providing an ultra-comfortable fit.Weight: 9.8 ounces (size 9)adidas Primeknit is carefully engineered to naturally expand with your foot while you run to give you a more comfortable fit and help reduce irritationboost™'s energy-returning properties keep every step charged with an endless supply of light, fast energyMolded eyestay; Dynamic fit system hugs your foot like a second skinMolded heel capEVA outsole; Runner type: natural; Stack height: 29 mm / 19 mm (10 mm differential)Imported