Engineered for freezing conditions down to -25°F, this winter-ready hiker combines 400g of PrimaLoft® Gold insulation with a heat-trapping reflective foil sockliner to keep your feet toasty on icy trails. A fully waterproof GORE-TEX membrane and element-sealing compression collar lock out wet snow and cold drafts, making it a go-to cold-weather boot. Grounded by a Vibram® Megagrip outsole with deep 5 mm lugs, it delivers relentless traction over slippery, unyielding terrain.