Pure Boost X ShoesLet each stride power your next. Leave doubt behind and let determination push you on. These women's running shoes are built for nonstop forward motion. Made for runners with a neutral gait, their snug, sock-like upper delivers nonrestrictive arch support so you can move with instinct, while a boostâ„¢ midsole invigorates every step with light, fast energy. An optimal fit plus dynamic cushioning means you're ready for any challenge.Weight: 6.5 ounces (size 7)boost™'s energy-returning properties keep every step charged with an endless supply of light, fast energyTextile and synthetic upperSock-like arch support for a comfortable, foot-hugging fitRunner type: natural; Stack height: 25.5 mm / 16.5 mm (9 mm differential)Grippy rubber outsoleImported