Oklahoma Sooners Colosseum Buck Long Sleeve Raglan Teet. This Oklahoma t-shirt is made of 100% Polyester to ensure that perfect fit and athletic feel. The shirt features the latest Realtree Xtra Camo pattern with rubberized Sooners print across the chest. The raglan sleeves are heather charcoal with the team logo that really pops. In the woods hunting or watching the Sooners play ball, show your support in this new tee this season.