Quite simply, the Nitro excels at toeing in on steep walls, toeing around laterally distant edges (“dragoning in”), yarding on pockets, and even (though there aren’t many of these on the MoonBoard) smearing on big, compy volumes. And it performs these tasks equally well both inside and outside. I tested the Nitros on Little Cottonwood Canyon’s granite boulders, where I found them high-performing on steeper and more gymnastic climbs. For instance, they served me well on the classic V8/9 ..." go to full review

The Wildfire Edge is also encompassed by a web of laces—the "climbing lacing" system. This system reminds me a little bit of La Sportiva Mythos climbing shoes, where a lace runs around the heel and down through the front. Supposedly this allows you to tweak the fit from front to back, but I have a hard time discerning how much of a difference this makes. Having so many exposed laces also leads me to believe that this might be the main point of weakness for the design, as it is for the Mythos..." go to full review