Extreme cold weather calls for the SOREL® Glacier XT top shelf boots. Tighten the drawstring and seal in the warmth, these calf-high boots are made even better with the cozy Omni-Heat™ nylon lining. Durable waterproof and windproof PU coated synthetic textile upper comes with a drawstring with barrel lock closure. When it comes time to brave the iced-over driveway, you'll walk confidently knowing the Handcrafted waterproof vulcanized rubber shell with Sorel® aero-trac non loading outsole offers top-of-the-line traction.