US Military OD Heat Retentive Sleeping Shirt aircraft retention • Color: Olive Drab• Material:

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

Army airborne personnel as part of the PASGT helmet system

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

Army personnel as part of the MOLLE II system for extended field use

US Military OD Heat Retentive Sleeping Shirt aircraft retention • Color: Olive Drab• Material:The 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.