100% Cotton. Interior sweatband. Metal slide-buckle closure on the back - adjustable. Classic 6 panel hat has pre-curved visor. High Quality Embroidered Cap Direct needle embroidery using top quality thread.Premium stitched, fun and perfect for a sunny weekend, Hiking Trips, Vacations, or Give as a gift to a new Grandpa. High Quality Cap. Low Profile, Made of 100% Cotton Couple. 6 Panels with 6 Ventilation Eyelets. Self-Fabric Adjustable Slide Closure with Buckle. One Size Fits Most.