This UPF50 sun protection flap hat is very functional and provides great coverage for being out in the sun. It offers a broad brim and a generous neck flap for maximum protection from the suns harmful UV rays. It's lightweight, cool and comfortable to wear. There is an adjusting snap fastener on the back of the hat for tightening if required. Enjoy being outdoors with the peace of mind that your face, ears and neck are well protected from the sun.