Power up your track laps in this breathable mesh running shoe boasting PWRRUN+ foam for springy cushioning and heightened energy return. Neutral: provides soft, even cushioning with an emphasis on comfort during any activity Energy return: transforms every heel strike into responsive, explosive forward movement Lace-up style Removable, cushioned insole with arch support Breathable mesh allows ventilation of excess heat for cooling comfort PWRRUN cushioning maintains the lightweight responsiveness at any distance XT-900 rubber tread puts durable traction under every stride Textile and synthetic upper/textile lining/rubber sole Imported