Men's Endorphin Speed 5 (31 - Black/VO2) Brand_Mizuno If necessary

If necessary

Olympic medalist)

It doesn’t get better than that

this trainer creates a lighter and softer cushioning experience

Men's Endorphin Speed 5 (31 - Black/VO2) Brand_Mizuno If necessaryDesigned 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