Stella McCartney and adidas continue to bring bold femininity, innovative technologies and an unrestrained design approach to the world of sport. When the weather shifts, these mid-cut running shoes keep you on track of your goals with a durable upper enhanced with water-resistant yarns. Energy-returning cushioning charges every step with unparalleled comfort.Stella McCartney collaborationMcCartney has collaborated with adidas to create innovative, performance-driven workout wear for women since 2005Responsive, stable feelHigh-density Boost gives you endless energy return and superior cushioning with low-to-the ground stabilitySupport your strideTorsion System between the heel and forefoot for a stable rideFeatures:• Speed lacing system• adidas Primeknit textile upper• Stretchweb outsole flexes naturally for an energised ride, and Continental™ Rubber gives you superior traction; Stabilising Torsion System• High-density Boost for a responsive and stable feel• adidas Primeknit upper: Stretchweb outsole flexes naturally for an energised ride, while Continental™ Rubber gives you superior traction• adidas Primeknit upper: Boost is our most responsive cushioning ever: The more energy you give, the more you get• adidas Primeknit upper: adidas Primeknit upper wraps the foot in adaptive support and ultralight comfort; Upper is engineered from heel to toe for unrivalled softness that enhances touch and feel• UltraBOOST HD S.: UltraBOOST HD S. is our new FW19 mid cut silhouette. Incorporating all the best features of previous seasons, such as BOOST, TORSION Bar and the CONTINENTAL Rubber outsole, with a new Primeknit upper that wraps the foot and ankle like never before. The 2D flat knit upper is coated in a thin, translucent layer of TPU and an external TPU Heel Clip. This provides the foot with extra support and keeps it insulated for those Winter runs in the park.