When Gecko introduced their Ultra Light aluminum climbers, it was assumed that a set of climbing spurs really couldn't get any better, or lighter. Well, the new Gecko Carbon Fiber climbers prove just the opposite. They feature a new and improved carbon fiber lay design, full adjustability and a best-in-class weight of just 3.7 lbs per pair! They even feature a Vibram stirrup sole plate for improved limb walking. Most customers agree, that despite the price, there really isn't a more comfortable pair of climbers on the market today. And hey, shaving ounces--or even pounds--off your climbing setup can really make a difference! Lifetime warranty.