Hot Rods Winter liner in navy color comes with double button neck closure for comfort use. Liner with fleece lining and fasteners is flame resistant. Winter liner. 100% cotton twill shell. Lining: Fleece. Navy. Regular. Cotton twill and binding are flame retardant until washed. Fleece lining and fasteners are flame-resistant. 2 layers. Two layers. Regular length. Fleece lining and fasteners are flame resistant. Hot Rods Winter liner in navy color is made of 100 percent cotton twill shell and binding are flame retardant until washed.