Women's Saucony Endorphin Pro 4 - White Silver Size:12.0 92% nylon 8% spandex

92% nylon 8% spandex

Durable XT-900 rubber in strategic high-wear areas

For the Glycerin GTS 21 women's running shoe

7/8" collar

Women's Saucony Endorphin Pro 4 - White Silver Size:12.0 92% nylon 8% spandexElite carbon plated racing shoe featuring revolutionary dual foam technology with PWRRUN HG and PWRRUN PB foam for maximum energy return. Engineered for marathon and half marathon racing with an 8mm drop and weighing just 7. 5oz. The full length carbon fiber plate and SPEEDROLL technology deliver explosive propulsion while maintaining exceptional comfort for long distance performance. Sizing Length: True to size, though runners coming from the Pro 1