100% Acrylic No closure mechanism closure *Please note* The actual color of the hat may slightly vary from the displayed image. If you are not 100% satisfied with any item you purchase, we accept returns on any item that is unworn and has the hang-tag intact. This applied to any product shipped with defects in craftsmanship or material. Only unworn items will be accepted for returns/exchange within 30 days of when item was delivered to you. *If you are not able to request a return on Amazon website, please contact Amazon Customer Service directly.*