Cromwell Stetson Crushable Wool Fedora Hat Fashionable Hats STETSON Men's Cromwell Crushable Wool Felt Outdoor Fedora Hat Brown XL Stetson 100% Wool Felt 'Cromwell' Hats in Black eBay Stetson 100% Wool Felt 'Cromwell' Hats in Black eBay Stetson Hats Greg Grant Saddlery. Stetson 100% wool 'Cromwell' hat. From Stetson's crushable hat line, the Cromwell is a 100% wool hat that features a 2 1 2" brim with a pinch front crown and a leather hat band. This hat is also water repellent, make it a very versatile hat. Clean with hat brush only. Made in the United States of America. Style #TWCMWL MNK Content: 100% Wool