Boonie HatA high performance headgear for outdoor activities. Made with USA 7. 5 oz. (220 grams.) rip stop fabric, this military style hat is designed to provide you with maximum durability and protection in any weather condition. The adjustable brim allows you to customize your coverage, while the 60% polyester 40% cotton fade resistant fabric ensures that the hat maintains its appearance and quality over time. The Boonie Hat features a ventilation system that