Armycrew UPF 50+ UV Protection Upturned Wide Brim Sun Hat for Ladies. 65% Paper Straw , 20% Cotton , 15% Polyester. UV sun protective paper straw wide brim sun hat for fashionable ladies, Hat provides excellent UPF 50+ sun protection; blocks UVA and UVB. Crushable and packable material. Crown measures 4 inches deep, Upturned brim measures 2.5 inches wide. Crown of hat is accented with a matching ribbon hat band. One Size Fits Most.