Springy, responsive Boost™ cushioning puts unparalleled comfort under every step in a high-performance running shoe reborn as an all-activity street sneaker. The knit upper incorporates Primeblue yarns made of Parley Ocean Plastic® recycled waste, which is collected at beaches and coastal communities before it reaches the ocean. Cushioning: absorbs impact and distributes weight for consistent, buoyant comfort under each step Pull-on sock upper with external 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 Textile and synthetic upper and lining/rubber and synthetic sole Fibers made from Parley Ocean Plastic are sourced from upcycled plastic waste intercepted from remote islands, shorelines, waters and coastal communities Imported Men's Shoes