Saucony Endorphin Speed 3 (men) ultrafly 5 and more responsive underfoot experience

and more responsive underfoot experience

96 Hours Of Run Time (uses Two Button Cell Batteries)

POWERFUL AND LIGHTWEIGHT

SEAMLESSLY INTEGRATES EASY-ACCESS STORAGE WITH COMFORTABLE HAND-RELAXING ERGONOMICS AND SLOSH-MINIMIZING PHYSICS

Back Vest Features:

Saucony Endorphin Speed 3 (men) ultrafly 5 and more responsive underfoot experienceFEATURES & BENEFITS SPEEDROLL Technology propels you forward effortlessly Ultra light and responsive PWRRUNPB foam cushioning gives you a light, fast feel New S curve, winged nylon plate returns energy and better supports you through daily training Stay comfortable with a lightweight breathable mesh upper FORMFIT design hugs every part of your foot for a personalized fit and feel XT 900 rubber outsole pattern grips the road better SPECS