ENERGY-RETURNING SHOES MADE IN PART WITH PARLEY OCEAN PLASTIC. When it comes to comfort, nothing beats the Ultraboost. While the design got its start on the track, these adidas running shoes have stepped firmly into the style realm with their eye-catching polka dots. Ride through your day on a responsive BOOST midsole that keeps you confident in every jump, turn and stride. 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. SPECIFICATIONS: Regular fit Lace closure adidas PRIMEKNIT textile upper BOOST midsole Fitcounter moulded heel counter Weight: 328 g Midsole drop: 10 mm (heel: 22 mm / forefoot: 12 mm) Stretchweb outsole with Continental™ Rubber Yarn in upper contains at least 50% Parley Ocean Plastic and 50% recycled polyester Product colour: Legend Ink / Core Black / Acid Red Product code: GZ0429.