Women's Endorphin Speed 5 WIDTH:B Medium this BPA-free bladder features a

this BPA-free bladder features a high-flow bite valve and a large opening that allows for quick filling and easy cleaning

cooling protection

adjustable fit with Grypton™ stay-put webbing

this shoe redefines the idea of “daily driver

Women's Endorphin Speed 5 WIDTH:B Medium this BPA-free bladder features aFast just got faster. The Saucony Endorphin Speed 5 Womens running shoe is built for speedwork, race day, and everything in between. This versatile trainer features ultra light and responsive PWRRUN PB foam paired with a winged nylon plate that delivers torsional rigidity while staying flexible through toe off. With SPEEDROLL technology for a naturally propulsive feel and a full length flex groove for smooth transitions, its designed to make every