Saucony Endorphin Speed 2 Mens Running Color:10 the X-One Biphase string uses

the X-One Biphase string uses High Heat Capacity (H2C) fibers

Wide and deep heel cup works with your body's natural cushioning for maximum support

Antibacterial

lighter version of Brooks' iconic trail shoe

The FlipBelt Zipper is easy to use

Saucony Endorphin Speed 2 Mens Running Color:10 the X-One Biphase string usesYour edge on race day. Born from speed, The Endorphin Pro 2 was designed to help you step up your race pace, one step at a time. A superior fit and more heel support mean you can keep your eye on the finish line. And with our ultralight PWRRUN PB and a carbon fiber plate, there's no doubt you'll get there faster than ever before. Whats new? Overall enhancements like a snugger heel fit, updated mesh pattern for breathability, plus anti slip laces to