Sorel's Caribou Boot is a classic insulated winter boot built for waterproof protection and traction in heavy snow. It combines a leather upper with a vulcanized rubber shell and a removable insulated liner for cold-weather performance. Key attributes: Black | Leather | Waterproof construction | Insulated for extreme cold | AeroTrac non-loading outsole for traction | Removable insulated inner boot | Handcrafted waterproof vulcanized rubber shell | Adjustable lacing for secure fit | Lace-up silhouette | Sherpa-style snow cuff | Rubber shell with sealed seams | Dimensions & fit: Regular fit | Composition & care: Leather | Rubber | Felt (removable inner boot) | Acrylic (lining) | Wipe exterior clean with a damp cloth. Remove inner boot before cleaning; hand wash inner boot if needed. Do not machine wash exterior.