Step into Wlfgar, the world's most advanced winter cycling boot. We've combined decades of winter cycling experience with NASA-grade insulation materials for a boot that keeps feet warm and dry down to -25F. Wlfgar is a boot worthy of singletrack sessions or multi-day expeditions in the harshest winter weather. - Our lightweight three-piece proprietary bottom assembly is compatible with both flat pedals and 2-bolt cleats, and features a rubber outsole with microglass lugs for traction on ice - Waterproof materials and construction keep the elements out, while aerogel under the foot and over the toe block frigid air - On the inside, Wlfgar's reflective thermal lining retains warmth, and a removable wool and faux-fur liner wicks moisture and insulates