Lanzom Outdoor Camouflage Bucket Hats Mesh Sun Hat boonie Fishing Hats Material: Polyester ,well-made ,lightweight and foldable Size:3" wide brim, head circumference: 21.6"-23.2" Breathable mesh vent keep you cool and comfortable Adjustable and removable chin strap with adjustable tie on back for a comfy fit Great for any outdoor activities:fishing,hiking,camping,travel,hunting,and etc