Garrison Bucket Hat The Garrison Bucket Hat is made from heavyweight cotton twill that has been stone-dyed, resulting in a complex color configuration. A woven Square Label completes the design. I033156_0F4_4J S/M: 56 cm - 22.0 inch M/L: 58 cm - 22.8 inch L/XL: 60 cm - 23.6 inch Clark twill: 100% cotton Stone-dyed Unstructured Square Label Carhartt WIP Garrison Bucket Hat