Practical and versatile: The brim is large enough to cover the forehead. Inside the hat is a breathable mesh layer that greatly improves cooling, comfort and airflow. The ponytail opening at the back of the head is a thoughtful feminine design. Buttons on both sides of the hat can give you more different styles.Material: This modern hat is made of quick-drying, breathable polyester. It better protects your face and neck from the sun and harmful rays.Adjustable drawstring: Adjustable drawstring at the bottom secures the screen, especially on windy days. Another drawstring on the back of the fishing hat is to adjust the hat circumference for an optimal fit.Easy to store: Roll up for easy portability, definitely saves a lot of space. It is the perfect hat for beach, fishing, pool, park, hiking, camping, travel, hunting, gardening or other outdoor sports and activities.Size: adult hat circumference 56-58CM