Product details:

No need to wait for someone else to make first tracks. Keen made the Revel IV boots for men with a higher profile design for deeper powder, and they used their warmest insulation (rated to -40°F). The breathable textile lining and Thermal Heat Shield insole captures warmth while also letting your feet breathe. Non-marking, multi-directional five millimeter lugs provide increased traction for a no slip boot. The Revel IV has 400 g of .WARM insulation and .DRY waterproof, breathable membrane so you will stay warm and dry in any conditions. And, Keen uses an environmentally preferred premium leather from a LWG-certified tannery so you can feel good about making a more sustainable purchase. .Polar Traction outsole for more grip on snow and ice Compression-molded EVA midsole for cushioning Eco Anti-Odor for natural odor control Winter 2022/23 product Equipped With .DRY Keens waterproof, breathable membrane is a microscopic wonder that releases vapor (ie. sweat) while sealing out moisture. With this ultra-thin bootie, theres no place for water to get in. .WARM Keens signature insulation—available in 100 g to 600 g—is extremely compressible and light for the warmth it provides. Plus, it retains its insulating ability even when damp.