RUNNING SHOES WITH A CLASSIC DESIGN AND BOLD ACCENTS. Run to the studio and beyond with the iconic adidas by Stella McCartney Ultraboost 22 running shoes. The BOOST material and knit upper keep you comfortable in style through every mile you log. The bubble-inflated supportive cage and bright accents give these shoes their signature look. It's designed to give you extra support with every step. Your ankles stay covered and cozy with flair added thanks to the knitted sock. To reduce our reliance on virgin materials, we make sure that our vegan alternatives also contain a minimum of 25% recycled content.