The Trench Coat is made of CG blue polyester/cotton water-repellant material. It is double-breasted with four-button closure, shoulder epaulets, belted waist, and has a removable liner of either a quilted or pile insulating material. The Trench Coat should extend to a point approximately 2 inches below the back of the knee when standing upright. Officers wear large rank insignia on the epaulets. Enlisted E-7 - E-9 and MCPOCG only wear insignia. Wear with ALL uniforms (except the ODU). Trench coats come with both belt and liner. The Trench Coat shall be fitted over the Service Dress Blue Coat and should be at least one numerical size larger than the Service Dress Blue Coat to ensure a proper / comfortable fit.