Offering warm waterproof protection and advanced outsole technology, Arctic Ice ladies boots are designed to withstand the most extreme winter conditions. Signature neoprene-insulated booties are surrounded by soft fleece lining and rugged Spandura uppers help to keep you comfortable down to -40°F. Advanced cold-weather outsoles feature Vibram's all-new Arctic Grip A.T. with XS Trek Evo for advanced traction on all terrains, including wet ice, snow, mixed/loose surfaces and hard pack. Muck Boot Co. Women's Arctic Ice Arctic Grip A.T. Boots