BOW detail on the back, fashionable and functional, inside comfort headband for perspiration this wide brim straw hat has an open crown to keep your skin protected and your head cool. Lightweight, breathable design, wide brim could block most sun UV rays. Foldable DIMENSION:Brim: 5"Circumference: 22"Foldable: 7.5" x 4.5" (elastic band for easy folding)adjustable velcro closureMaterial: 100% breathable straw