Plated for versatile, always-on speed.The Endorphin Speed 2 is a natural winner, and now it's back and better than ever. Runners love this shoe while training for race days and shaving time off their runs, no matter what the distance, 5K, 10K, half or full marathon, this shoe has it. Between its ultralight PWRRUN PB cushioning and responsive nylon plate, it's evident this shoe can do it all. From speed work to longer runs, from workouts to race day, it's more than ready.WHAT'S NEW?+ Snugger heel fit, + More breathable mesh, + Soft suede detailing,+ Anti-slip laces to lock it in.FEATURES+ SPEEDROLL Technology propels you forward effortlessly, so you can run faster, not harder+ Full-length, responsive nylon plate gives you an edge for daily speed workouts and race day+ Ultralight PWRRUN PB gives you incredible spring and energy return+ FORMFIT hugs the foot in 3D comfort and delivers our most personalized fit yet+ Engineered mono-mesh keeps the upper light and breathable+ XT-900 outsole with reinforced high-abrasion zones provides optimal traction and durabilitySPECS+ Category: Neutral Running + Weight: Men 224g+ Offset: 8mm (35.5mm/27.5mm)This Endorphin Speed 2 pairs perfectly with Endorphin Pro 2 for ultimate performance on race days. PLUS, for those who have wanted to take their Endorphin road runners to the Trails, the wait is over with the ground breaking Endorphin Trail.Learn more about the Endorphin Series 2 Collection here.The Endorphin Speed 2 is focused towards a lighter footprint using some recycled materials.