One step ahead. Beat the competition with cutting-edge athletic technology in the adidas Ultraboost 23. Upgraded with a lighter Boost midsole that doesn't compromise on cushioning comfort and a foot-hugging Primeknit+ upper, these shoes complete your athletic arsenal. The upper, crafted with high-performance yarn that contains at least 50% Parley Ocean Plastic and 50% recycled polyester, helps you tread lightly on the planet. Set boundaries and push right through them in the adidas Ultraboost 23. Primeknit+ midsole offers incredible support.