US Military OD Heat Retentive Sleeping Shirt

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. military personnel for use as a cold weather sleeping and base layer garment.