Lighter and springier than ever, this high-rebound running shoe sits on a lower sole to minimize weight and keep every stride more attuned to the pavement. The breathable knit upper and targeted rubber in the tread enhance your performance without slowing you down. Lightweight: puts cushioning and performance underfoot with an emphasis on streamlined comfort Energy return: transforms every heel strike into responsive, explosive forward movement PRIMEKNIT fabric feels smooth against your skin and dries quickly to keep you comfortable Removable, cushioned insole allows for custom orthotics Light Boost™ cushioning maximizes the energy return from every step, stride or jump Continental™ Rubber tread ensures reliable ground grip in wet or dry conditions Textile and synthetic upper and 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