Men's Endorphin Speed 5 (321 - Carbon/Iceberg) electrolytes 3 - 11 11 -

3 - 11 11 - 11

and tendons

Our unique Y-Frame Guidance System offers a smooth and stable ride

BETTER FOAM: Experience the reformulated PWRRUN+ foam

Men's Endorphin Speed 5 (321 - Carbon/Iceberg) electrolytes 3 - 11 11 -Designed as an up tempo shoe, its quickly proven itself as much more, equally capable during long, moderate training sessions and sprints to the finish. WHATS NEW: Energy efficient PWRRUN PB foam bounces back with every step combined with a winged Nylon plate that provides torsional rigidity while maintaining flexibility in the forefoot, making for a sure footed, snappy ride SPEEDROLL technology for effortless speed and addictive forward motion you