Hemlock Hat Co. Hanalei Hula UPF 50+ Lifeguard Straw Hat. The perfect blend of FUNctional design and serious sun protection, Hemlock’s OG Lifeguard Hat features a tall cattleman crown, 4.5” wide brim, and certified UPF 50+ under-brim liner to shield your face, ears, and neck. Lightweight and breathable, it’s built for those who live life under the brim™. Each hat is finished with a uniquely designed under-brim print, adding a one-of-a-kind touch to your shade game. Cattleman crown. 4.5" brim length. 4.5" crown depth. 100% Straw. Imported.