Vintage 2008 Thunder Beach Bike Week T-Shirt Panama City, Florida. Gildan Heavy Cotton. White short sleeve 100% cotton tee with short sleeves and black graphics from the Motorcycle Rally. Officially licensed. Tag Size: XL. Measurements: chest 24" (circumference 48") shoulder to hem 26". This is from my personal collection. This tee has many miles on it, time worn, pilling, pit and collar discoloration. See Photos for Details. Smoke Free Home.