US Army Cap Cold Weather Insulating Helmet Liner OD Ear Flaps M1 Helmet Cap For Sale

U.S. military \"Cap, Cold Weather, Insulating, Helmet Liner\" in olive drab — the cold-weather cap worn under the M1 helmet. Fold-down earlaps, rear neck flap, and the original instruction label sewn inside (\"CAP, COLD WEATHER, INSULATING, HELMET LINER\"). The label shows no date, contract number, or size marking, so the era and size are unverified — size not marked. Used condition: light overall wear with some fraying along the brim edges as visible in the photos; the label is intact. Sold strictly as shown; please review all three photos carefully before buying.