Nylon Outer Shell Fully Reversible with rescue orange inner shell Zippered utility / pencil pocket Front closure storm flap Knit collar, waistband and cuffs Double Pull Tab on Heavy Duty Zipper Water repellent DuPont Type 6-6 Nylon Flight Satin Outer shell 100% Nylon / Polyester flight lining and polyester batting inter-lining For use in cold weather climates (20 degrees F) Reversible to high-visibility Orange for use in emergencies.