100% Australian brushed wool ultra-wide brim fedora features a stiff flat brim and is finished with a premium gros grain ribbon band with a tacked down bow. Bonus: You can customize the fit using the size adjuster hidden in the sweatband under the label. Our Adrian has a crown height of 4-3/4in. and a brim length of 4-1/4in. This hat is one size fits most. It is 57cm with a size adjuster hidden under the label that allows you to size down.