Ultra Boost ShoesStandout running shoes featuring boostâ„¢ and designed by Stella McCartney.Designed to cruise through a 10K, these adidas by Stella McCartney Ultra Boost Shoes come in signature Stella color palettes. With boostâ„¢ for a charged-up feel that delivers maximum energy return with every stride.boost™'s energy-returning properties keep every step charged with an endless supply of light, fast energyTORSION® SYSTEM for midfoot integrity; Molded 3-Stripes and heel counter for support and optimum heel hugSock construction; Reflective support cageadidas by Stella McCartney woven badge on tongueSTRETCHWEB rubber outsole is lightweight and elastic, adapting to the ground for stability and working strategically to optimize the unique properties of boost™ from touchdown to push-offImported