The Men's Heathered Gray Ohio Northern Polar Bears The Keeper T-Shirt is a must-have for any devoted Ohio Northern Polar Bears fan. Show your unwavering support for the Polar Bears with this comfortable and stylish tee, featuring printed graphics that proudly display your team spirit. Made from a soft cotton and polyester blend, this crew neck t-shirt is perfect for game days or any day you want to represent the Ohio Northern Polar Bears.