Updated with a Linear Energy Push system and enhanced with responsive Boost cushioning, this running shoe maximizes the energy return of every stride. Innovative Primeknit brings a precision fit that pairs with grippy rubber in the tread for durable, reliable traction. The upper is crafted with Primeblue fabric, which is made of Parley Ocean Plastic recycled waste that's collected at beaches and coastal communities before it reaches the ocean. Cushioning: absorbs impact and distributes weight for consistent, buoyant comfort under each step Energy return: transforms every heel strike into responsive, explosive forward movement Pull-on sock upper with adjustable lacing cage PRIMEKNIT+ adapts to the shape of your foot for a snug, sock-like fit. BOOST cushioning rebounds quickly from every step, stride or jump Stretchweb energy-returning rubber base flexes underfoot for a dynamic ride Continental Rubber tread ensures reliable ground grip in wet or dry conditions Torsion System construction provides a smooth transition from heel strike to midfoot Fibers made from Parley Ocean Plastic are sourced from upcycled plastic waste intercepted from remote islands, shorelines, waters and coastal communities Textile and synthetic upper and lining/rubber and synthetic sole Imported