The Marshall 4X r fur blend hat from the San Angelo Collection is an example of the fine quality and craftsmanship that you know in the name Stetson. This hat is blended with only the finest furs and is a great hat for any job. The 4" brim will come to you with a profile that is molded in the factory, but it has the ability to be shaped to your preference. The X's in the hat are used to represent the quality of the hat. The exact percentage of beaver fur is only known by Stetson, as that is a secret formula that helps Stetson remain the leading manufacturer in headwear.