The standard aircrew uniform worn by United States Air Force personnel consists of a jacket and trousers designed for functionality and protection in flight. This ensemble typically includes integrated pockets, flame-resistant materials, and provisions for survival equipment. An example would be the current-issue Airman Battle Uniform (ABU) worn by pilots and other flight crew members, modified for in-flight wear.
This modular clothing system offers greater comfort and flexibility for pilots compared to earlier single-piece designs. The separation into jacket and trousers allows for better temperature regulation and ease of movement during pre-flight checks and other ground duties. Historically, flight suits have evolved alongside aircraft technology, incorporating improvements in materials and design to enhance pilot safety and performance. The transition to a two-piece system reflects a focus on enhanced mobility and comfort without compromising protection.