Authentic USAF Flight Suit, circa 1963. Official designation "Coveralls, Flying, Men's, Cotton Twill, Sage Green, Type K-2B." Size Small Short (Fits well on a male, 5"7 1/2', 155 lbs.) Cotton twill fabric, not fire retardant; mint condition. The suit features numerous zippered compartments; all zippers and sizing closures are fully functional. The original label is present and dates the garment 04/18/1963. Manufacturer likely Mason & Hughes Inc., but uncertain.