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

lighter version of Brooks' iconic trail shoe

It’s a brand-new

The FlipBelt Zipper is easy to use

– pliable SOFTcurved pre curved brim for easy packability

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