Blood stripe

The blood stripe is visible on the uniforms of the Marine Corps Recruit Depot San Diego Band in 2003

A blood stripe is a scarlet stripe worn down the outside leg seams of trousers on the dress uniform of the United States Marine Corps. This red stripe is 2 inches (5.1 cm) for general officers, 1+12 inches (3.8 cm) for other officers, and 1+18 inches (2.9 cm) for enlisted staff noncommissioned officers and non-commissioned officers. Modified versions are worn on the officers' evening dress uniforms, with the scarlet flanked with gold trim, and on members of the Marine Band, which wear the traditional red stripe with a white stripe in the center.