Saucony Endorphin Speed 5 men's Sprint Distance ours is scaled in carbs—the

ours is scaled in carbs—the metric that actually matters

this moisture-wicking long-sleeve top has the same anti-odor technology

and a bungee loop for your keys

The engineered mesh upper keeps things cool and secure

These converter mittens are flexible

Saucony Endorphin Speed 5 men's Sprint Distance ours is scaled in carbs—theTRAIN FASTER. RACE FASTER. The Endorphin Speed 5 was designed as an up tempo shoe, but its quickly proven itself as much more. Equally capable during long, moderate training sessions and sprints to the finish. Fit for go fast days and go faster races. UPPER Brand new engineered mesh thats lightweight for your up tempo efforts and built with comfort so you can enjoy it everyday. MIDSOLE Full length longitudinal groove to add increased flexibility for a