Skivvies Second Lieutenant Trunk. 61% Polyester, 33% Viscose, 6% Spandex. The new Skivvies Second Lieutenant Trunk, features a very comfortable covered waistband with red piping trim outlining the pouch and the special leg banding with the metallic logo patch on one leg. Note the elastic band at the top of the pouch has been eliminated for extra style and comfort. Small (28-30).