This hat is extremely lightweight and also has eyelets for breathability. It features UPF 50+ sun protection and is also quick-drying. The cool effect helps to keep you cool on hot days and there is also an interior sweatband for comfort. The adjustable drawstring and toggle help to provide you with the perfect fit and the 4-inch brim helps shade you from the sun. Great for hiking, fishing, walking, gardening, or just when outdoors in the sun.