Original US Airforce pattern with sturdy zips and forward flap pockets and an Orange lining that can be worn reversed Matching ribbed collar, cuffs and hem made of Durable tough 100% Nylon  Approximate sizing as follows:XS – 29" –32"S – 32″ – 35″ M – 35″ – 38″ L – 37″ – 40″ XL – 40″ – 43″ 2XL – 42″ – 453XL – 44″ – 47″ Relco MA-1 Olive Green Flight Pilot Bomber Jackets