Cosmos Tactical Head Wear/Boonie/Jungle Hat Cap For Wargame Sports Hunting Fishing Outdoor Activities Package Included: 1x Boonie Hat Inner Diameter measures 7 1/2", Brim measures 2 1/2" Wide, Crown measures 3 1/4" High. Adjustable chin strap ensures a secure fit Foldable, very convenient to take it anywhere Wide brim and screened side vents are sure to keep you cool in the blazing sun