World Gym Classic Gorilla logo Available in a variety of colors Full Chest Screen-Print The World Gym shirt is famous around the globe. Most of World Gym Bodybuilding T Shirts are 100% cotton. There are three which are made from a cotton/poly blend fabric. The Grey is 90/10 while both the Charcoal and Denim are 50/50 All bodybuilding shirts have the World Gym logo on front. This is the original Athletic Shirt you have been looking for with the standard classic World Gym Logo featuring the Gorilla standing on the world holding a barbell. Be sure to see our Golds Gym Shirts and Powerhouse Gym Shirts along with the Pitbull Gym T Shirts.