Made to withstand the coldest Northern winters, the Nat’s boot from Paragone of Canada is an ultra-lightweight 12-incher with triple-ply nylon uppers, front lacings, and top draw cord closure. The thermal efficiency EVA bottom and removable liner have Primaloft 200-gram insulation to protect feet to –118°F (-83°C). The waterproof lug sole is reinforced with rubber at toe, heel and arch. Men’s whole sizes only from 7 to 13 in a very generous 4E width. (Seasonal item: some sizes may sell out. Check pulldown for current availability.)