Breaking waves or flat water, you need to create your own shade on the water. DaKine's Indo Surf Hat delivers water-friendly sun coverage and a secure fit for surf, SUP and sail. A stowable flap offers added neck coverage for long days on the water, while foam brim inserts keep it afloat should it get away. Floating hat designed for water use UPF 50+ Brim flips up for paddling Removable neck protection stores inside hat Adjustable chin strap Material: Black: 100% Nylon / Prints: 100% Polyester S/M (7 1/8) 22 1/4 circumference L/XL (7 3/8) 23 circumference XXL (7 3/4) 24 circumference