70% cotton/30% nylon fabric treated with Ciba UV protective coating and Dupont Teflon water and stain resistance finish. 4 panel low profile crown, UV protective fabric, mesh side panel inserts for breathability, large screen metal eyelets, foam covered visor ensures flotation, protective neck cape with patented hidden zipper, terry cloth sweatband, elastic cord with metal clip, Cool-Crown mesh lining. UPF 45+. Sizes: One size fits most