Men's Challenger 8 Men's reducing friction

reducing friction

plus special loops to hold trekking poles

so you can run fast without any give

and lightweight comfort from top to bottom

Three innovative technologies power your run: A double dose of Air Zoom units helps launch you into your next step

Men's Challenger 8 Men's reducing friction1168716 Street approved. Trail tested. Built at the intersection of road and trail, the Challenger 8 delivers all the smooth cushioning and confidence inspiring traction youll need to tackle a variety of terrain. A gravel grinding workhorse loved for its hyper cushy ride, weve added even more foam underfoot and improved the fit since our last iteration. Finished with a minimal mesh upper, plush collar, and durable rubber toe cap, weve reimagined the