Castaway Cotton Sun HatUPF 50+ Sun Protection You can relax on your own island with the Physician Endorsed Castaway Sunhat. It's lightweight, packable, and comfortable. You can roll it up and pull it out whenever you need it. No need to have a hat that is taking up space when this piece will give you the same great protection. Approx. 3 1 2" Square Crown 3 1 2" Downturned Brim Made of: 100% Cotton UPF 50+ Sun Protection Rating Frayed Brim Adjustable Drawstring Sweatband