Frogg Toggs® Boonie Hat is a wide-brimmed, breathable rain hat made from Frogg Toggs proprietary 100% waterproof fabric. The hat is extremely lightweight and crushable for packing. The over-sized brim measures approximately 14 1/2 inches in diameter, and is designed to keep water off your neck and out of your face. The stone-colored Boonie Hat comes with a full-inch internal moisture-wicking headband and tension-adjusting chinstrap for a custom fit. Another Frogg Toggs simple, yet classic designs that is a great addition to your outdoor outfit. One size fits most.