Coolibar UPF 50+ Men's SmartStraw Surfside Hat - Sun Protective SmartStraw 100% polypropylene UPF 50+ ( Note: Due to the weave of this item, small areas may provide less than 50 UPF) Chin cord with wooden bead lock Moisture-wicking internal sweatband for comfort, fully lined crown Generous 3 1/2" brim for extra sun protection; Circumference: S/M-22"; L/XL-22 3/4" Spot clean; Imported