The Men's Heathered Gray BYU Cougars The Keeper T-Shirt is the perfect way to show your unwavering support for the BYU Cougars. Made from a comfortable cotton and polyester blend, this crew neck tee features printed graphics that proudly display your team spirit. Whether you're cheering from the stands or simply showing your support, this t-shirt is the perfect way to represent the BYU Cougars in style.