U.S. Army Up Hill Sublimation T-ShirtThis U. S. Army up hill sublimation men's t shirt, has a huge graphic of a squad on patrol in a lightning storm on the front. One sided or two sided versions available. Sublimation Printing: Imperfections are part of the sublimation printing process which are unique, industry normal, and expected. While the manufacturer takes every step to minimize these imperfections, it cannot be eliminated entirely. Common areas are folds or slits in the print of