NYFASHION101 Multicolor Weaved Band and Trim Panama Fedora Hat One size fits most for this panama fedora hat. This hat is made with 80% polyester and 20% paper. The brim measures 3.25". This panama hat blocks 88% UVA/UVB rays, with UPF 50+ as well. Accessorize with any updos or downdos! Classic teardrop dent with extended brim.