This intermediate military flying jacket, designated by the military specification code CWU-45/P, is constructed from a flame-resistant meta-aramid material known for its thermal protection properties. It typically features a sage green exterior, knit cuffs and waistband, and a two-way front zipper closure. Often seen with various patches and insignia indicating unit affiliation or accomplishments, it provides essential protection for pilots and aircrew against fire hazards and extreme temperatures.
The development and adoption of this garment significantly improved flight safety. Offering superior fire protection compared to previous flight jackets, it became a crucial piece of safety equipment, reducing the risk of burn injuries during flight operations. Its durable construction and thermal insulation also provide protection in harsh environments, making it suitable for a wide range of operating conditions. This design has become a standard for military flight jackets globally and has influenced civilian aviation apparel.