Sorel Caribou Mens Waterproof Insulated Winter Boots Black 。New with box Men size 10 Waterproof Upper: Crafted with premium waterproof nubuck leather featuring a seam-sealed waterproof construction to completely lock out moisture from snow, slush, and deep puddles. Vulcanized Rubber Shell: Features a handcrafted, waterproof vulcanized rubber shell covering the entire foot area to ensure durable, leak-proof protection close to the ground. Removable Insulation: Equipped with a thick, removable 9mm recycled felt inner boot liner that provides optimal thermal retention and can be removed for easy drying. Faux Fur/Sherpa Snow Cuff: Topped with a soft knit pile cuff at the collar that provides comfort and acts as a barrier against drifting snow. Heavy-Duty Hardware: Outfitted with robust metal D-ring lacing hardware for a secure, easily adjustable fit even while wearing gloves. Extreme Cold Rating: Engineered to keep feet warm and protected down to a thermal rating of -40°F / -40°C. Aero-Trac Outsole: Molded with SOREL\'s iconic lugged rubber pattern to provide non-slip traction on slick, packed snow and ice.