US Military OD Heat Retentive Sleeping Shirt aircraft retention • Function: Thigh-mounted panel for

• Function: Thigh-mounted panel for attaching compatible pouches and holsters

• Color: OCP (Operational Camouflage Pattern)• Material: Cordura nylon

• Color: Olive Drab• Material: Cotton moleskin shell with insulated liner• Function: Weather protection and thermal insulation for field operations

• Pattern: Desert Camouflage Uniform (DCU)• Material: NFR (Non-Fire Resistant) chemical protective fabric with inner barrier layer• Function: Protective overgarment for defense against chemical and biological threats

Army airborne personnel as part of the PASGT helmet system

US Military OD Heat Retentive Sleeping Shirt aircraft retention • Function: Thigh-mounted panel forThe US Military OD heat retentive sleeping shirt is a lightweight thermal base layer designed to provide warmth and moisture management in cool and cold weather environments. Its heat retentive construction helps retain body warmth while remaining breathable and comfortable during field use and sleep system operations. Color: Olive Drab Material: Polyester Function: Thermal insulation and moisture management for cold weather use Issued to U. S.