Ultraboost lightweight next-generation model, partially made with Parley Ocean Plastic. Feel good, run fast, and do good for the planet. That's a virtuous cycle. Put on these Ultraboost running shoes and give your run and its cycle a boost. One of Adidas' lightest shoes, maintaining high resilience while reducing the carbon footprint compared to previous models. This is made possible by the BOOST midsole, the next-generation BOOST with increased resilience. Experience an energetic run regardless of pace or distance, with the Ultraboost Light. Size: 25.5cm Brand new, unused ie8488 Regular fit Lace closure adidas PRIMEKNIT+ textile upper Textile lining Linear Energy Push system Light BOOST Weight: 299 g (weight of one shoe, 27 cm) Midsole drop: 10 mm (heel: 30 mm / forefoot: 20 mm) Continental™ Better Rubber outsole The yarn used in the upper is made with at least 50% Parley Ocean Plastic and 50% recycled polyester / Reduces CO2 emissions by more than 10% per pair compared to the previous model.