It's Always Sunny In Philadelphia Wolf Cola Red Ringer Shirt This It's Always Sunny In Philadelphia ringer t-shirt features the Wolf Cola logo and shows that you're a supporter of the gang in all their ridiculous exploits This It's Always Sunny in Philadelphia t-shirt is sure to get some laughs 100% Cotton, Pre-Shrunk And Machine Washable Officially Licensed Available in Small, Medium, Large, XL, 2XL, and 3XL TREV-TCF505AR