Lace up and let's go. These adidas Ultraboost shoes keep your feet supported as you give it your all, day after day. The adidas PRIMEKNIT upper flexes with your foot's natural movement, while trail blazing BOOST technology ensures total comfort and responsiveness. The Continental Rubber outsole gives you traction even on slippery surfaces so nothing holds you back.This shoe's upper is made with a high-performance yarn which contains at least 50% Parley Ocean Plastic — reimagined plastic waste, intercepted on remote islands, beaches, coastal communities and shorelines, preventing it from polluting our ocean. The other 50% of the yarn is recycled polyester.