The USMC FROG silkweight long sleeve shirt is a lightweight flame resistant undershirt designed for use in hot and layered environments. It wicks moisture and provides base layer protection as part of the Flame Resistant Organizational Gear system.

• Color: Coyote brown
• Material: Flame resistant silkweight fabric
• Part of the USMC FROG (Flame Resistant Organizational Gear) system

Issued to Marines as a base layer garment for both garrison and deployment use.