Total Sun Protection.lightweight and Soft in texture, good breathability, UV protection, quick drying. The hat has four holes, breathable perspiration. Adjustable with a tie zipper on the back of the hat. Ideal for fishing, hunting, hiking and most outdoor sports activities. Size: head circumference: 56-60cm (adjustable); wide edge 9 cm. Upf 50+ Uv Protection Cap With Flap, Detachable,g-56-60cm