Harley-Davidson Men's Gray Skull Flatbill Baseball Cap - Gray & Black, 5029005203. Comfortable five panel structured flat brim hat. Constructed from durable 80% acrylic and 20% wool. Awesome high-quality Willie G Skull embroidered logo on front panels. Our Wisconsin Harley dealer name in black stitching on back. Adjustable Snapback closure. High-quality and super comfortable ballcap, perfect for any Harley enthusiast, this picture seriously does not do this cap justice.