GREAT SMOKY MOUNTAINS NATIONAL PARK LOGO T-SHIRTS. The handsome, folk art style images on these pigment-dyed cotton T-shirts make a rich and classy impression. Produced by Great Smoky Mountains Association and available only from us! 100% sturdy yet comfy pre-shrunk cotton. Proceeds benefit the park. Colors: Blue jean or Seafoam. Sizes: Small to XXL. $16.95 for Small - XL; $18.95 for XXL.