Our Ripstop Tear Resistant Cotton Jungle Boonie Cap with Chin Strap features a tape band of branch loops sewn around the crown with a flat top, floppy brim, lightweight and crushable style, chin strap with leather fastener keeps the hat secure on your head. It comes with 4 authentic metal vents on the sides. Made to military specs from a 100% ripstop fabric with a special reinforcing technique, making this hat resistant to tearing and ripping. Classic military style cotton ripstop fabric boonie hat for men. 2 ventilation holes featured on each side of hat. Flexible, packable, breathable and crushable. Resistant to tearing and ripping with a special reinforcing technique. Available in 4 sizes; S, M, L, XL with adjustable chin strap.