Represent your Oklahoma State Cowboys with pride in the Champion Heather Gray Oklahoma State Cowboys Big & Tall Mascot Long Sleeve T-Shirt. Made from a comfortable cotton and polyester blend, this long sleeve tee features bold graphics of the iconic Oklahoma State Cowboys mascot, showcasing your unwavering support for the team. Whether you're cheering from the stands or simply showing your Cowboys spirit, this shirt is the perfect way to represent your favorite college team.