The Men's Heathered Gray Northern Arizona Lumberjacks The Keeper T-Shirt is the perfect way to show your support for the Northern Arizona Lumberjacks. Made from a soft cotton and polyester blend, this comfortable tee features printed graphics that proudly display the Lumberjacks logo. Whether you're cheering on the team at the game or just showing your support around town, this t-shirt is a must-have for any Northern Arizona Lumberjacks fan.