Field dress

—( marine corps ) worn by all officers and men (1) in garrison when prescribed by the commanding officer, or in the tropics; (2) for duty under arms in garrison under foregoing conditions; (3) at drills, target practice, maneuvers, and on marches when prescribed; (4) in the field when prescribed; (5) when serving with marine battalions afloat in the warm season or in the tropics, when prescribed. Consists of, for all officers: f. coat, f. trousers or breeches, ru et leather puttees or leggings, f. hat and cord or white helmet, sword with undre belt (leather slings) and knot, ru et shoes; if mounted, spurs and drab leather gloves; in the field, the flannel shirt prescribed for enlisted men may be worn, in place of the f. coat, with rank devices on the collar and with khaki scarf. For enlisted men: (in this case called f. uniform): f. coat, f. trousers, leggings, f. hat, ru et shoes, arms and accouterments as ordered; in the field, the khaki shirt may be worn, in place of the khaki coat, with a web belt.