A FLOATING HAT FOR SUNNY DAYS ON THE WATER. On the beach or on the water, create your shade with the feature-loaded Kahu surf hat. The extended front brim adds extra sun coverage for your eyes, while the soft lining maintains all-day comfort. The overall lightweight, nylon build provides quick-drying convenience and full flotation should you and your hat part ways while in the water. SIZING: S/M (7 1/8") [ 57cm ] 22 1/4" circumference L/XL (7 3/8") [ 59cm ] 23" circumference XXL (7 3/4") [ 61cm ] 24" circumference Floating hat designed for water use UPF 50 Hybrid style foam brim Removable chin strap Wicking inner lining