Why you'll love it The cold will be an afterthought in these Fargo 2 winter boots - designed with a waterproof genuine suede upper, sustainable thermal insulation, and lightweight synthetic rubber shell. Comfortable down to -40°F, these functional yet stylish lace-up boots offer a thick felt footbed for added warmth and comfort, as well as deep self-cleaning treads for better stability on snow. UPPER Seam-sealed waterproof genuine suede upper: Prevents wetness from getting in. Genuine leather: A sustainable and durable material that'll keep your boots looking great for years to come. Lace-up style: Easy fastening with durable laces. Waterproof gusset tongue: Provides extra protection from the elements. Padded collar and D-ring lacing system: For a secure and comfortable fit. HEAT-MX™ 145 sustainable thermal insulation with foam insulation: Keeps your feet toasty warm even at -40°F. INSOLE 8mm Zylex® felt footbed: Provides added protection and warmth OUTSOLE Waterproof and flexible synthetic rubber shell: Keeps the wetness out. Outsole with deep self-cleaning treads: Provides stability in snowy conditions.