Armycrew Bright Neon Fur Aviator High Visibility Winter Trooper Hat. 100% Nylon. IMPORTED : Hand wash recommened. Bright colored trooper hat that will keep your head warm and cozy this winter. Snug-fitting hat with a neon shell and black/white faux fur lining. Adjustable chin strap is featured for a secure fit. S/M : 22in, L/XL : 25.5in.