Army Universe Woodland Camouflage Insulated Coveralls (3X-Large) Tough Polyester/Cotton Twill Shell Woodland Camouflage Insulated Coveralls - Tough Polyester/Cotton Twill Shell. Nylon Lining. 6 oz. Poly Fiberfill. Knit Cuffs. Self Collar. 2 Way Front Zipper. Leg Zippers.