Baffin's Eiger winter pac boot is a heavy-duty yet lightweight boot that will keep you warm, comfortable and dry. Designed for Arctic conditions and and named after the famed peak in Switzerland's Alps; rated to -100C/-148F; ideal for ice fishing, snowmobiling, prolonged work outside, and of course trekking to the poles. Removable 8-layer liner with Thermaplush to insulate and wick moisture; Diamond-Lite cordura upper; quick-strapping for easy on-off and precise fit; built-in gaiter on top seals out the elements; premium Polar Rubber outsole for exceptional traction; reflective highlights for nighttime visibility; removable waffle and air-bubble insoles underfoot. Be warm and happy all winter long, in Eiger boots.