Amazon.com | Sorel Men。Sorel Caribou waterproof winter boots in black and white provide heavy-duty protection for extreme cold. These iconic pac boots feature a seam-sealed waterproof nubuck leather upper and a handcrafted waterproof vulcanized rubber shell for ultimate moisture defense. The interior is lined with a removable 9mm washable recycled felt inner boot, topped with a faux fur snow cuff for added warmth and style. Designed with a classic lace-up closure and a Sorel Aero-Trac non-loading outsole, these boots ensure steady traction on snowy and icy terrain.