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 Recycled-polyester and synthetic upper/textile lining/rubber and synthetic sole Imported Fibers made from Parley Ocean Plastic are sourced from upcycled plastic waste intercepted from remote islands, shorelines, waters and coastal communities This product meets Nordstrom Sustainably Sourced Materials criteria: contains at least 30% sustainably sourced materials