Replace the soundscape of the city with the quiet of the forest trails. Down for the ride, the adidas by Stella McCartney OutdoorBOOST running shoes anticipate the changing terrain, from smooth dirt to uneven ground. The flexible adidas PRIMEKNIT upper supports every takeoff and landing, cushioned further with energy-returning BOOST. Which means the more you give to your stride, the more you get back.Color is grey Size 7 Tags- athletic sporty trail outdoor hiking running