The Steelers are Super Bowl Champions! Own a piece of history with this Pittsburgh Steelers Super Bowl XLIII Champs Organic Locker Room T-Shirt from Reebok! This is the exact shirt that the players wore after they clinched Super Bowl XLIII! This shirt is the first ever eco-friendly Super Bowl Championship T-Shirt. These shirts feature fabric made from organic cotton yarn, hang tags made of recycled materials and signature green stitching on the shoulder and inside neck seams. 100% Cotton.