Polyester/Nylon Snap closure Hand Wash Only Cool Trucker Hat with Snap closure. Available in multiple beautiful colors. The Front of the hat is made of 100% Polyester and the MESH BACK is made of 100% Nylon. One size- Fit most adults thanks to the back adjustable plastic. Light-Weight, High-Quality Fabric & Stitching Profile: 5 Panels, High Profile, CONSTRUCTION: Curved Visor, Structured Crown. Quality Embroidery Print.