Rated to -100° F, tough pac boots are hand-lasted of ozone-resistant rubber for a fit that keeps boots in place in mud and muck. 1000g of Thinsulate®. Nylon stretch knit lining. Comfortably cushioned insoles with built-in heel counters. Bear Bob outsole. Ht. 10½", 7 lb. pr. Closeouts. China. Note: Runs small, order next size larger.