Biltmore Fur Felt Fedora - Chicago 

It’s not silk, but it sure looks like it. The Biltmore Chicago fur felt fedora offers Biltmore’s Eleganza finish, a process done by hand to give your hat that extra shine. The Rosellini Finish is made of short fur, brushed and polished for the ultimate dress silky feel.

https://tenthstreethats.com/products/biltmore-fur-felt-dress-fedora-hat-chicago