Sorel 1964 Nylon Snow Boots Protecting you in snowstorms, this boot has a stylish style. With its waterproof leather boot, you can do whatever you want in temperatures down to -40 °. Product Features Removable and washable recycled felt inner boot; Bonded felt anti-frost; Waterproof full-grain leather upper; INSULATION: Removable, washable 9 mm recycled felt lining with Sherpa Pile fleece edging; MIDSOLE: 2.5 mm bonded felt frost insert; OUTSOLE: Handmade waterproof vulcanized rubber outsole and herringbone pattern outsole; Stitched waterproof construction; Material: Synthetic, Textile, Rubber; - Removable and washable recycled felt inner boot.; Bonded felt anti-frost.; Waterproof full-grain leather upper. ; Stitched waterproof construction.;