Adidas Ultraboost sneakers in Black with white sole Springy Boost™ cushioning puts comfort under every step in a heritage running shoe reborn as a street sneaker made with high-performance recycled materials. The Primeknit upper sporting 2015 patterning wraps your foot in breathable support, while built-in stabilization technologies and recycled rubber keep you moving day and night. • Cushioning: absorbs impact and distributes weight for consistent, buoyant comfort under each step • Pull-on sock upper with adjustable lacing cage • Primeknit upper wraps your foot in flexible, ultralight support • Boost cushioning rebounds quickly from every step, stride or jump • Torsion® System construction stabilizes each step for heel-to-toe comfort • Stretchweb energy-returning rubber base flexes underfoot for a dynamic ride • Continental™ Rubber tread ensures reliable ground grip in wet or dry conditions • Removable insole • Recycled textile and recycled synthetic upper/textile and synthetic lining/rubber and synthetic sole