The Sorel Joan Of Arctic (-25F) womens winter boots feature a waterproof suede upper with a faux fur or faux shearling cuff and a seam-sealed waterproof construction. They include a removable 6mm washable recycled felt inner boot with a Sherpa Pile snow cuff, a 2.5 mm bonded felt frost plug midsole, and a handcrafted waterproof vulcanized rubber shell with a herringbone outsole. Ideal for heavy snow.