Overview ABOUT SAN DIEGO HAT COMPANY LIFEGUARD STRAW HAT - UPF 50+ (Circumference 22 1/2 IN.) Stay cool in this San Diego Hat Company Lifeguard straw hat, made from lightweight, breathable woven paper straw with a soft lining, wicking headband, built-in sun protection and wide, shady brim. UPF 50+ protection from the sun's harmful UV rays Lightweight, breathable woven paper straw Soft woven fabric lining Stretchy, moisture-wicking headband Ribbon trim Wide, shady brim Adjustable chin strap with crown adjustment