Women's Sorel boot; Seam-sealed waterproof construction; Waterproof suede leather upper; Knit cuff for added comfort and warmth; Removable 6 mm washable recycled felt inner boot; 2.5mm bonded felt frost plug midsole; Handcrafted waterproof vulcanized rubber shell with herringbone outsole; Sorel Rated: -25 fahrenheit / -32 Celsius;