OSFM: One size fits most of the men and women's head from 56-60cm, 7- 7 1/2, 22"- 23.6"inch.
UPF 50+: 2.6" wide brim provides great sun shade and protection for Face & Neck.Its fabric has passed SPF test, can block most sun UV rays.
Light weight & Breathable: air vents on crown and mesh lining offers excellent air circulation, keeps your head cool in summer when you do outdoor activities, fishing, hiking, hunting, camping, safari, kayaking, beach trip, gardening, boating or yard work.
Detachable Chin Cord: adjustable for a better fit, this bush bonnie hat won't be blown off when it gets windy.
Crushable & Packable: you can easily fold and pack it, convenient for outdoor trip or travel.