Saucony Endorphin Speed 4 (D Standard) Mens Black Size:11.5 Safety features include whistle and

Safety features include whistle and reflective details

it's your trusted partner in pushing past your limits

the SOFT FLASK 500ml/17oz 42 makes staying hydrated faster and easier

LOCK compression technology locks the foot in place to reduce blistering

Neutral pronation

Saucony Endorphin Speed 4 (D Standard) Mens Black Size:11.5 Safety features include whistle andEvery material, seam, and stitch of the Saucony Endorphin Speed 4 was obsessed over and maticulously engineered so you can focus on pushing the pace, daily. The Saucony Endorphin Speed 4 is best for tempo runs, and can even be used on race day or as an everyday trainer for runners with an efficient gait. Smooth Speedroll technology provides effortless speed and an addictive forward motion feel. Energy efficient PWRRUN PB is paired with a re engineered