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 Removable, cushioned insole 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 Primegreen fabrication contains a blend of high-performance recycled materials Textile and synthetic upper and lining/rubber and synthetic sole Imported