The women's Winter Carnival Boot by Sorel allows for total versatility and durability during the toughest winter months. Designed with a waterproof nylon upper that is seam-sealed for ultimate protection. A removable felt InnerBoot with a Sherpa Pile snow cuff insulates the inner of the Carnival boot to make sure your feet consistently maintain warmth. The midsole is equipped with 2.5mm bonded frost plug, while the outsole is made of handcrafted vulcanized herringbone rubber for hard-wearing traction. Waterproof nylon upper Seam-sealed Removable & washable felt InnerBoot Sherpa Pile snow cuff 2.5mm bonded frost plug Back pull loop Vulcanized herringbone rubber outsole Temperature rated to -25 fahrenheit/-32 celsius.