Men's Endorphin Speed 5 (142 - Ivory/Fire) blue webbed substance that helps reduce

webbed substance that helps reduce the weight of the shoe while still providing optimal traction

When feeling nothing is everything

and the narrow waistband has a drawcord that can be worn internally or externally for an adjustable fit

providing an anti-bounce fit

Can be worn comfortably in most athletic shoes

Men's Endorphin Speed 5 (142 - Ivory/Fire) blue webbed substance that helps reduceDesigned 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