The US Military Extreme Cold Weather Mask is a protective face covering designed to provide respiratory protection and thermal insulation for the head, neck, and face. It is used to reduce heat loss and help prevent frostbite in arctic and subzero environments.

• Color: White
• Material: Insulated synthetic fabric with stretch blend construction
• Function: Full face, neck, and respiratory protection for extreme cold weather exposure

Issued to U.S. military personnel as part of extreme cold weather clothing systems.