FIELD GRADE REPRODUCTION WWII USMC MARINE P41 HBT SUMMER COMBAT FIELD JACKET. CORRECT O.D. GREEN HBT MATERIAL, ANTIQUE COPPER USMC MARKED BUTTONS. AUTHENTIC CUT AND FIT. These are the herringbone twill uniforms that U.S. Marines wore in the Pacific campaigns of WWII from Guadalcanal through the flag raising atop Mt. Suribachi