The Peter Grimm Coralia Resort Hat is made from 100% Toyo. The 4.5 inch brim provides excellent UPF 50+ Sun Protection with an elasta-fit comfort band that allows enough stretch to fit most men and women. This hat is packable and can be rolled up or folded to fit nicely in your bag for safe travel and still look great when you arrive at your destination. An adjustable chin cord will keep your hat secure on a windy day. One size fits most