Our Layne high crown cowboy hat is made of 100% Australian wool and features a woven western trim. Bonus: You can customize the fit using the size adjuster hidden in the sweatband under the label. Layne has a crown height of 5-1/2in. and a brim length of 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.