Celebrate ACDelco's anniversary with this top-rated performance cap. This cap is constructed of a six panel, medium profile, 100% moisture-wicking polyester fabric with a UV protection rating of UPF50. It has a pre-curved bill with accent color on the crown and bill with a stretchable Velcro® back closure. ACDelco Centennial logo embroidered on front. This will quickly become one of your go-to caps. Not recommended for Wash or Dry Clean. Available in Black/Royal. One Size Fits Most.