Vbiger Boonie Hunting Fishing Outdoor Hat (Khaki) Made of high quality and breathable cotton, soft and comfortable to wear. Adjustable drawstring for fixing the hat, especially in windy days. Head circumference: 22''-22.8'', one size fits most. Large and wide brim straw, block harmful UV and glare sun. Foldable, easy to carry, suitable for traveling, beach, and other outdoor activities.