Men's Endorphin Speed 5 (142 - Ivory/Fire) Size:8.5 Style - S10999-100

Style - S10999-100

VISOR Flat

Track & Field Distance Spikes

The Vibram outsole uses micro-traction lugs to give you a reliable grip on rocky

Men's Endorphin Speed 5 (142 - Ivory/Fire) Size:8.5 Style - S10999-100Designed 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