70% cotton, 30% nylon ;Guide style bucket silhouette; Treated with a water- and stain-repellent coating; Treated to reflect UV rays (UPF50+); Terry cloth sweatband; Adams exclusive Cool-Crown™ mesh lining ; Brim length is 4″ for added sun protection; Floatable brim; Contrast undervisor; Chin strap with barrel lock adjuster; UPF 50+ flag label ; Sized S/M, L/XL;