M-65 Insulated Helmet Liner 

• Fully lined construction provides warmth during cold-weather field use
• Soft fleece insulation helps retain body heat around the head, ears, cheeks, and neck
  
• Overlapping hook-and-loop closure secures the flaps beneath the chin or across the face
• Fold-down forehead flap, commonly called a sinus protector, shields the forehead from cold air
• Stretch gusset and elastic strap at the rear improve fit and comfort
• Side openings allow a military helmet chinstrap to pass through while the liner is worn
• Flexible construction fits beneath older military helmets, including the M1 helmet system
• Can also be worn independently as a cold-weather cap
• Suitable for military collections, hunting, hiking, camping, outdoor work, and cold-weather surplus gear