Charge every step while raising your style profile on the streets. adidas Ultraboost 1.0 Shoes deliver instant comfort and endless energy for exploring your world. BOOST cushioning is ultra-responsive underfoot, while the adidas PRIMEKNIT upper fits your foot like a sock, providing support, stretch and breathability exactly where you need it. The Ultraboost has laces that feed through structured 3-Stripes. When you pull them tight, the 3-Stripes harness your foot, keeping you stable through all your moves.