Insulated

Go confidently into the coldest winter conditions. If you have a hankering to cross the ice cap, or just want a really warm, protective boot with great traction for snowmobiling, taking the early chair to operate a ski lift, or chop another load of frozen firewood, the TOUNDRA PRO CSWP is a great choice. Aerotherm™ Aerogel technology makes them warm to -40°F / -40°C.

Agility, stability and grip in a winter hiking shoe Designed to power through uphills and descents, the X ULTRA is now available in an all-winter version. Just as agile as a trail-running shoe, it offers all the stability, grip and protective comfort you need to tackle wintery terrain and cold temperatures. Not to mention cozy 3M Thinsulate™ insulation.

Made with a 100% recycled Pertex® Quantum outer, lined with a soft brushed fleece, and filled with recycled down, these slippers are ultra-warm and weather protective. Offering refuge for tired feet after a day in the mountains the Down Hut Slippers are perfect for treading the floorboards of alpine huts or Scottish bothies. Perfectly packable and at just 198g per pair these down slippers can be easily stashed in a backpack. They have an elasticated entry and a plush brushed fleece lining for ultimate comfort. The lower edge of the slippers is reinforced with tough nylon with a cushioned EVA foam footbed and a flexible, non-slip sole.

High ankle puffy booties featuring PrimaLoft® Gold Insulation Aerogel; the thinner, lighter, stronger insulation trusted by NASA space travel. Snow camping, car camping, or hanging out in the cabin, these insulated puffy booties are irresistibly warm and comfy. Tundra Aerogel Booties feature a compression-resistant PrimaLoft® Aerogel insert that acts as a thermal barrier between your feet and the elements, as well as a weather resistant exterior shell and grippy print on the sole. Insulated with VerticalX™ ECO, these offer a superior warmth-to-weight ratio that works even when wet. An ankle cinch top will secure these around your calf for all-day or all-evening warmth.

High ankle puffy booties featuring PrimaLoft® Gold Insulation Aerogel; the thinner, lighter, stronger insulation trusted by NASA space travel. Snow camping, car camping, or hanging out in the cabin, these insulated puffy booties are irresistibly warm and comfy. Tundra Aerogel Booties feature a compression-resistant PrimaLoft® Aerogel insert that acts as a thermal barrier between your feet and the elements, as well as a weather resistant exterior shell and grippy print on the sole. Insulated with VerticalX™ ECO, these offer a superior warmth-to-weight ratio that works even when wet. An ankle cinch top will secure these around your calf for all-day or all-evening warmth.

High ankle puffy booties featuring PrimaLoft® Gold Insulation Aerogel; the thinner, lighter, stronger insulation trusted by NASA space travel. Snow camping, car camping, or hanging out in the cabin, these insulated puffy booties are irresistibly warm and comfy. Tundra Aerogel Booties feature a compression-resistant PrimaLoft® Aerogel insert that acts as a thermal barrier between your feet and the elements, as well as a weather resistant exterior shell and grippy print on the sole. Insulated with VerticalX™ ECO, these offer a superior warmth-to-weight ratio that works even when wet. An ankle cinch top will secure these around your calf for all-day or all-evening warmth.

Slip-on puffy socks featuring PrimaLoft® Gold Insulation; the thinner, lighter, stronger insulation trusted by NASA space travel. The Tundra Aerogel Socks keep your feet cozy warm inside of your sleeping bag or kicked back on the couch. These puffy socks feature a compression-resistant PrimaLoft® Aerogel insert that acts as a thermal barrier between your feet and the elements, with a smooth polyester suede sole. Plus, an ankle cinch top keeps your socks in place throughout the day.

When favorite trails or towns turn into wonderlands, you'll be there with warm feet and sure footing. This waterproof leather hiker is winter-ready with cold-weather traction, 200g of insulation, and a quilted collar. - Non-marking rubber outsole leaves no trace - 200g of KEEN.WARM insulation rated to -25°F/-32°C - KEEN.DRY waterproof, breathable membrane - Eco Anti-Odor for natural odor control - Environmentally preferred premium leather from LWG-certified tannery - PFC-free, durable water repellent

No need to wait for someone else to make first tracks. We gave these waterproof winter boots for women a higher profile for deeper powder and our warmest insulation (rated to -40°F), plus better grip for snow and ice. - Non-marking multi-directional lugs for increased traction - 5mm multi-directional lugs for traction - Stability shank delivers lightweight support - KEEN.WARM Recycled PET insulation rated to -40°F/-40°C - 400g of KEEN.WARM insulation - KEEN.DRY waterproof, breathable membrane - Eco Anti-Odor for natural odor control - Environmentally preferred premium leather from LWG-certified tannery

The agility of a light hiker with the warmth of a puffy coat. We built these winter boots for women with active, frigid days in mind. With 200g of insulation, heat-trapping materials underfoot, and exceptional grip on snow and ice. - Non-marking multi-directional lugs for increased traction - 5mm multi-directional lugs for traction - Stability shank delivers lightweight support - KEEN.WARM Recycled PET insulation rated to -25°F/-32°C - 200g of KEEN.WARM insulation - KEEN.DRY waterproof, breathable membrane - Eco Anti-Odor for natural odor control - Environmentally preferred premium leather from LWG-certified tannery°C

The agility of a light hiker with the warmth of a puffy coat. We built these winter boots for women with active, frigid days in mind. With 200g of insulation, heat-trapping materials underfoot, and exceptional grip on snow and ice. - Non-marking multi-directional lugs for increased traction - 5mm multi-directional lugs for traction - Stability shank delivers lightweight support - KEEN.WARM Recycled PET insulation rated to -25°F/-32°C - 200g of KEEN.WARM insulation - KEEN.DRY waterproof, breathable membrane - Eco Anti-Odor for natural odor control - Environmentally preferred premium leather from LWG-certified tannery°C

The agility of a light hiker with the warmth of a puffy coat. We built these winter boots for women with active, frigid days in mind. With 200g of insulation, heat-trapping materials underfoot, and exceptional grip on snow and ice. - Non-marking multi-directional lugs for increased traction - 5mm multi-directional lugs for traction - Stability shank delivers lightweight support - KEEN.WARM Recycled PET insulation rated to -25°F/-32°C - 200g of KEEN.WARM insulation - KEEN.DRY waterproof, breathable membrane - Eco Anti-Odor for natural odor control - Environmentally preferred premium leather from LWG-certified tannery°C