Made of 50% Cotton 50% Polyester fabric. OSFA (Standard) size. 6-panel Baseball cap. Blackbörk is a Premium model hat. The Bench (Logo) on the front is velcro and replaceable. The back has an adjustable buckle. A Blackbörk hat can be used with more than one Bench (Logo). Blackbörk is not just a hat, it is a lifestyle.