Resistol Stone felt 6X construction 4-1/4" brim Pre-Creased The 6X stone Felt Cowboy Hat is Resistol's is constructed with 6X beaver fur felt hat that is durable, has a beautiful sheen and smooth finish open crown hat. Features a leather sweat band, 4-1/4" brim, and long oval fit. This hat comes pre-creased for use right out of the box. Resistol has become the greatest name in western hats. Resistol hats are known for their high quality and long wear, in both felt hats and straw.