UPF50+ protection blocks more than 99% of harmful UVA and UVB rays. The wide brim and neck baffle provides the perfect shade for your face, neck, and ears.
Hat circumference: 21 to 23 inches. The adjustable chin strap provides a comfortable fit and effectively prevents the UV protection hat from blowing off in the wind. The ponytail opening in the back is designed with women in mind. The back of the visor allows you to adjust the circumference of the hat to fit your head size.