The US military UCP FREE IWOL jacket is a cold weather insulating layer from the Fire Resistant Environmental Ensemble. It provides warmth and flame resistance for use in armored vehicles and combat environments.

• Pattern: Universal Camouflage Pattern (UCP)
• Material: Flame resistant insulated fabric
• Part of the Fire Resistant Environmental Ensemble (FREE) system

Issued to U.S. Army personnel during the UCP uniform era for cold weather and mounted operations.