Sorel Caribou waterproof boots feature a classic seam-sealed construction with a nubuck leather upper and a handcrafted vulcanized rubber shell. These insulated winter boots are equipped with a removable 9mm washable recycled felt inner boot and a Sherpa pile snow cuff for maximum warmth in cold conditions. The Aero-Trac non-loading outsole provides reliable traction on icy and snowy surfaces. Ideal for heavy snow and extreme winter weather, these boots combine rugged durability with a timeless aesthetic.