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 Removable, cushioned insole allows for custom ortho