Pure Boost ZG ShoesSuper-light running shoes that let you float across the pavement.Experience zero gravity in these lightweight, supremely comfortable women's running shoes. They are built with a boost™ midsole for great cushioning that doesn't sacrifice groundfeel. Plus, boost™ doesn't pack out or stop feeling springy, even after months of use. An EVA outsole combines with the boost™ midsole to keep every step charged with light, fast energy. They have a dual-layer mesh upper for breathability.Weight: 8.4 ounces (size 7)boost™'s energy-returning properties keep every step charged with an endless supply of light, fast energyDual-layer mesh upper for ultimate breathabilitySOCKFIT upper for a snug, supportive fit; Stable band construction holds the foot while allowing natural flexibility; High-comfort liningMolded eyestay for easy lacing; Molded heel counter; Outsole-grade EVA for gripRunner type: natural; Stack height: 29 mm / 19 mm (10 mm differential)syntheticsImported