These Ultraboost running shoes serve up comfort and responsiveness. You'll be riding on a BOOST midsole for endless energy with a Linear Energy Push system and a Continental™ Rubber outsole. 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.Regular fitLace closureadidas PRIMEKNIT textile upperSoft heel fitLinear Energy Push systemBOOST midsoleWeight: 333 g (size UK 8.5)Stretchweb outsole with Continental™ Better RubberYarn in upper contains at least 50% Parley Ocean Plastic and 50% recycled polyester