Amazon.com: Leotruny Super Wide Brim Bucket Hat UPF50+ 。?100% Polyester ?Hook and Loop closure ?Hand Wash Only ?UPF 50+：Sun UV protection hat features a floppy wide brim and UPF 50+ sun protection; Its large brim helps to cover your face, neck, and your ears, thus protecting your skin from rays. ?Adjustable Chin Strap: the women\'s wide brim floppy hat comes with a velcro which can help to bring a snug fit for you; Adjustable chin strap holds the hat in place, even during a windy day, and is easy to attach and detach ?Comfortable&Breathable: 100% polyester will ensure efficient moisture wicking. as mesh panels that span the entire circumference of your head, letting your head stay ventilated and cool, even on the hottest and most humid days. ?Size: Adjustable size fits 22.8\"-23.2\" head girth, Wide Brim 5.9\", Net Weight 0.14kg, Height 4\" ?Care Tip: Hand wash recommended. Hang it dry to keep shape and form. If your hat creases during storage, try opening it for a while or ironing it with an iron