Men's Challenger 8 GTX Size:15 The innovative design is made

The innovative design is made with 100% high-strength stainless steel and cast construction

So tiny and compact

Articulated knees and crotch gusset for increased mobility

stainless steel "I" keys

Balsa and Paulownia woods round out the construction of this proven big mountain ripper

Men's Challenger 8 GTX Size:15 The innovative design is madeLike that running buddy who never bails, the Challenger 8 GTX says yes to the road, yes to the trailand yes to rain, mud and snow. Redesigned with more foam underfoot, an improved fit and reimagined multi directional lug orientation, its both smooth on the pavement and trustworthy on dirt. And its GORE TEX Invisible Fit waterproof membrane means it doesnt balk at puddles, either. Guess youre out of excuses. 100% rRPET engineered mesh GORE TEX