The agility of a light hiker with the warmth of a down jacket. We built these men's winter boots with active, frigid days in mind. With 200g of insulation, heat-trapping materials underfoot, and exceptional grip on snow and ice.

WinterLab-tested traction
Tested for grip on icy surfaces, even on an incline. Microscopic shards in our KEEN.POLAR TRACTION rubber dig into frigid terrain.

200g of KEEN.WARM Recycled P.E.T. insulation
Stay warm with 200g of insulation rated to -25F plus three layers of heat-trapping materials underfoot.