Salute the drivers that keep the wheels turning and the world moving with this limited edition Mack X Life is Good® Collaboration Blue T-shirt. Made of 100% USA grown cotton, this T-shirt is garment-washed for softness and features a limited edition #ThankATrucker printed graphic on the front. All proceeds from the sale of this T-shirt go to the St. Christopher Truckers Relief Fund. Show your Mack pride and support a great cause with this officially licensed merchandise of Mack Trucks, Inc.