The Stetson STC228 is a nice summer fedora. Constructed of 70% cotton and 30% nylon it has a 2" brim and 4 1/4" (approx.) crown. Features include a leather band and under brim, Stetson pin and a comfortable, cushioned fabric sweatband.
Approximate size guide:
M - 7 1/8 to 7 1/4
L - 7 3/8 to 7 1/2
XL - & 5/8 to 7 3/4
The closer you are to the maximum the better the fit.
Foam tape is sent with each hat to help snug it up if necessary.