Packable Ribbon Sun Hat, SPF 50 Protection, Short Back, Wide Shapeable Brim Poly Ribbon Spot Clean with Damp Cloth. Classic wide brim sun hat has short back for increased head movement and comfort 5 inch wide brim has shapeable edge, adjust to just the right look Gathered short back features snap to release brim when needed for increased sun protection Poly ribbon design provides SPF 50 UVA, UVB sun protection One Size fits up to 23 in. Free Hat Sizing tape to reduce size if fit is too loose