massmall Military Tactical Head Wear/Boonie Hat Cap for Wargame,Sports,Fishing &Outdoor Activties 1.Brand new and superior quality 2.Two snap buttons help changing to another style hat 3.Four ventilation holes keep the hat ventilate 4.Designed to protect the head from sun and sand 5.Diameter:7 1/2 inner, 13.5 outer (inch)