Tooling: UB21 tooling primegreen: this product has been made with primegreen: a series of high-performance recycled materials. Boost: boost technology combines superb cushioning and energy return with every step and jump, fueling the athlete with endless energy. Boost: boost is our most responsive cushioning ever: the more energy you give, the more you get adidas by Stella Mccartney logo: adidas by Stella Mccartney branding upper: metallic textile upper upper: sock in a cage fit upper these adidas by Stella Mccartney running shoes help fuel your daily miles with endless energy and total comfort. Cloud-like cushioning makes sure you feel it, propelling you forward charged with boost technology.

• Rubber sole
• The adidas by Stella McCartney Ultraboost 21 has a lightweight, easily stylish design with a sticky grip outsole that will keep you steady and secure on every movement.
• Foam padding placed around your ankle collar & under the tongue for an incredibly comfortable fit & feel.
• Traditional lace closure for a secure fit.
• Engineered mesh for structure, stretch and enhanced breathability.
• Generously cushioned footbed for all day comfort.