suntans noun a summer-weight tan military uniform US,1937
— Carl Fleischhauer, AGlossaryofArmySlang, p. 20, 1968
He was dressed in his office uniform, a short-sleeved shirt and trousers of tan tropical worsted, an outfit called “suntans.” — Neil Sheehan, ABrightShiningLie, p. 276, 1988