Description
U.S. Military B-9B Winter Flyer's Helmet Liner
Stay warm in the coldest conditions with the authentic U.S. Military Issue B-9B Winter Flyer's Helmet Liner. This is the genuine surplus cold-weather cap trusted by U.S. Air Force pilots and aircrew to provide critical warmth in frigid and high-altitude environments. While designed as a helmet liner, it's an exceptionally warm and comfortable standalone winter hat.
Classic Cold Weather Protection
Made with a durable, sateen cotton shell and a soft, quilted rayon lining, this hat is both warm and incredibly comfortable. The design features flannel-lined ear flaps that can be worn down for extra protection for your ears and neck, or secured in the "up" position with the hook-and-loop straps. It's a classic piece of military headwear, perfect for any outdoor winter activity.
Key Features:
- Genuine USGI Issue: The authentic, battle-tested winter cap for U.S. aircrew.
- Warm & Comfortable: Features a quilted rayon lining and a sateen cotton shell.
- Protective Ear Flaps: Flannel-lined ear flaps can be worn up or down for versatility.
- Durable Construction: Made from high-quality, military-spec materials.
Specifications:
- NSN: Varies by size (e.g., 8415-00-269-0486 for Medium)
- Color: OD Green
- Material: Cotton Sateen Shell, Rayon Lining
- Made in the USA



















