The left chest logo is the top round logo which reads "1st Battalion, 6th Marines - Camp Lejeune, NC" wrapped around the eagle, globe and anchor. The full back logo is below and is the actual 1/6 unit logo. You can get the shirt in either black or olive drab. I have some shirts with red logos and some with gold. Most want the red logo. If it matters to you, ask before you buy and I'll tell you which I have in the size and color you want to order.