SK Hat shop Summer Light Weight Knit Crushable Fedora Panama Derby Beach Pool Sun Hat Fabrication: 100% Polyester Size: One size for teens and ladies (Head measurement: 56cm, 22", Size 7 to 58cm, 22-3/4", Size 7-1/4) stretchy hatband Brim: 3" Height: 5" Occasion: Casual or fancy events. Dress it up or dress it down. Perfect for a day in sun, everyday wear, a day or night out on the town, laying out in the sun, bbq party, house party, beach party, pool party, sun bathing, sailing, outdoor picnics, derby, boating all outdoor activities for sun protection. Perfect for vacation and cruise attire. Crushable and packable. Great for ladies and teens. Will compliment any outfit.