Carhartt Men's Insulated Bison Lthr Shell: 100% Genuine Leather; Lining: 100% Polyester Imported Pull On closure Hand Wash Insulation: C100 3 M thinsulate insulation, brushed polyester lining Easy on safety cuff, bison knuckle protection, bison reinforcement Fabric type: shell: 100 percent genuine leather lining: 100 percent polyester