Running pushes you outside, and it grows a love for the planet we play on. This version of the Ultraboost 21 is designed with the oceans in mind. With an adidas Primeknit upper and responsive BOOST in the midsole, the shoes feel as comfortable on short morning miles as they do on your next 10k. From problem to performance This product is made in part with Parley Ocean Plastic. Just one of the innovations that represent our commitment to help end plastic waste. Endless energy adidas BOOST delivers incredible energy return and instant comfort with each step to keep you going. Foot-hugging upper The adidas PRIMEKNIT upper wraps the foot with a supportive fit that enhances movement. Ultraboost Comfortable and responsive, Ultraboost became our first shoe to be as popular in day-to-day style as it is in performance running. * Regular fit * Lace closure * adidas Primeknit textile upper * BOOST midsole * Textile lining * Weight 10.9 ounces (size 9) * Midsole drop: 10 mm (heel 22 mm / forefoot 12 mm) * Rubber outsole * Yarn in upper contains at least 50% Parley Ocean Plastic and 50% recycled polyester * Imported * Product code: H01177