Home > Military Uniform Items by name brand > FOX Outdoor Products > Boonie Hat. Boonie Hat. The Versatile, Crushable Hat That Everyone Wants To Own! Made to government specifications. Comes with metal screen vents, chin strap, 2 1/4" brim. Sizes: 7, 7 1/4, 7 1/2, 7 3/4 ... SALE ITEMS; TEXAS Gear;