Hoka Men's Challenger 8 hat the Tacx Training™ app and

the Tacx Training™ app and other apps

Functional fibers are the solution

Solid rubber outsole

The sock that truly works just as hard as you do

Hoka Men's Challenger 8 hat the Tacx Training™ app andStreet 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