Gamboa Panama Hat Montecristi (Grade 9-10) Color: Natural Material: Toquilla Straw Brim: 7 a 8 cm. (2.76"- 3.16")Grade: 9 - 10 (Fine Fine) Sweatband: Cotton Twill, 3 cm. (1.18") Crown: 10.37 - 10.87 cm. (4.1" - 4.3") Ribbon: Linen