San Diego Hat Company Cotton Kettle Brim Adjustable Roll Up Travel Hat for Beach or Gardening, SPF 50+ 100% Cotton exterior, Interior Lining 90% Polyester Hat features a wide 4in kettle brim to keep you shaded Trendy, great for days at the beach, poolside, travel, and wherever else you want to look good in this hat! The ultimate travel companion, fold up packable design, easy to store and carry. Adjustable hat features inner drawstring to adjust size down from 23in This hat has been rated at UPF 50+ sun protection from UV rays