Boonie Hats in Tigerstripe Camouflage (Size: X-Large 60cm) Our boonie Hats are made with 100% cotton and feature an outer nylon webbing hat band, adjustable chinstrap, and ventilation grommets. Our boonie hats have a soft feel and are available in 4 sizes small 57CM, Medium 58CM, Large 59CM and X-Large 60CM.