Baffin's Selkirk winter boots are the newest advancement in technical, lightweight expedition worthy boots. These all-around snow boots are ideal for ice fishing, working, snowmobiling and more. Waterproof, seam sealed Timberwolf leather and Diamond-Lite insulated nylon uppers. Locking snow collar with extendable gaiter. Integrated Arctic Flex rubber base. Waffle insole and anatomical foot bed. 7-layer inner boot system with Thermaplush. Baffin's Icepaw technology with improved grip on icy terrain. Buckle top with Velcro ankle-strap fastening setup. Comfort rated to -70°C / -94°F.