Thermonol is a 22-ounce heavyweight DuPont Kevlar® that will handle up to 800-900° of intermittent contact. The reversible Mitten can be worn on either hand. It has been sewn with Kevlar for extra toughness, a wool lining and 14" length for wrist and forearm safety. Work applications include steel mills, aluminum extruding, and foundries. 6 lpair per case. 12 pair per box. Sold by the pair.