Unisex Saucony Endorphin Speed 5 Streakfly The new design also slots

The new design also slots perfectly into the PREDICT SKIN 2 vest

Frame for support through the heel ensures your foot stays in the optimum position within shoe for peak performance

New Matryx aramid reinforced mesh which offers a comfortable

and 80 hours in UltraTrac™ mode

Stay warm and cozy on the run with the Patagonia Micro D 1/4 Zip

Unisex Saucony Endorphin Speed 5 Streakfly The new design also slotsRunner's favourite Saucony Endorphin Speed 5 delivers reliable performance and comfort. Its smooth, responsive, and speedy perfect for those looking for a versatile trainer to do it all from speed workouts, uptempo long runs and even race day! The full length winged nylon plate combined with a layer of PWRRUN PB foam offers a stable yet flexible base, delivering a firm and snappy feel. More rubber in the heel and a flex groove along the sole help your