Exclusive Pacific Harley-Davidson Hawaii t-shirt and cap set ($55 per set). Men's Pearl Harbor Battleship T-shirt (retail at $42.00). 100% cotton Hawaii exclusive white traditional t-shirt. Men's Pearl Harbor Grey Cap (retail at $38.00). Harley-Davidson Men's classic style baseball cap with adjustable strap on the back to fit all sizes. Exclusive Hawaiian flag features on the side of the cap.