USMC FROG Thermal Undershirt

Designed for the Marine Corps' Flame Resistant Organizational Gear (FROG) system, this thermal undershirt offers exceptional warmth, moisture-wicking properties, and flame resistance. Its lightweight, breathable fabric provides a snug yet comfortable fit, making it ideal as a base layer for cold-weather missions or outdoor adventures. Built to military specifications, this undershirt ensures durability and performance when you need it most. 78% Modacrylic, 22% FR Rayon silkweight fabric Rated down to 14 °F Fire-Resistant Moisture-Wicking Genuine US Military Issue Made in USA NSN: 8415-01-567-4525