Stella McCartney has collaborated with adidas to create innovative, performance-driven workout wear for women since 2005. With each footstrike, these ultra-lightweight shoes recharge your step with the energy return of Boost cushioning. Designed as a chic slip-on, they are crafted with a seamless, fully knit, sock-like upper. Ideal for a 10K run, the flexible outsole and compression-fit arch adapt to your foot's natural flex to allow steady, powerful strides. Adaptive arch Adaptive arch moulds to the shape of your foot for a unique compression fit Seamless support adidas Primeknit 360 seamless textile upper offers an engineered fit that expands and supports as you move through each stride Flexible Stretchweb outsole Stretchweb rubber outsole flexes underfoot for an energised ride