NWOT/Box Keep little feet dry and warm in the cold with this insulated snow boot featuring a -40ºF comfort rating and durable lugs to help prevent slips on ice. Functional laces adjust the size while a side-zip closure makes getting in and out a breeze. (see photos) Water-resistant Temperature rated to -40°F/-40°C Ankle-foot orthosis–friendly design Synthetic and textile upper/textile lining/rubber sole