Powerful looks. Unbeatable comfort levels. These Ultraboost shoes deliver on all fronts. The adidas PRIMEKNIT upper provides a soft, snug fit, and the lace-up construction allows you to make adjustments. The Torsion System provides stability through the arch while adidas BOOST cushioning returns energy with your every move. Made with a series of recycled materials, this upper features at least 50% recycled content. This product represents just one of our solutions to help end plastic waste.