Propper 2PFDU Flight Suit Coat OCP   The Propper® 2PFDU (Two Piece Flight Duty Uniform) Coat is an authentic, flame-resistant ripstop coat authorized for active duty U.S. Air Force in both garrison and deployed locations. The 2PFDU Coat accompanies the 2PFDU Trouser to provide all aircrew members an improved form, fit and function to perform their duties. The zipper fly and button closure ensure ease of use and improved comfort while still offering protection from flash fires like a traditional flight suit would. Propper 2PFDU Flight Suit Coat OCP