Stay warm and cozy no matter the temperature in our Iceland F Lo ultra-warm footwear for winter, featuring sustainable HEAT-MX™technology to keep you toasty when it reaches -22°F. These cold weather boots include a seam-sealed waterproof PU coated leather upper, Niterays to keep you safe and visible and a high-traction sole so you stay stable in snowy conditions. With channels that easily disperse snow, mud and water, you'll be good to go in these insulated winter boots for that mid-winter hike with the family.