AR 670-1 20-24 page 139 talks about socks. The first type of socks you are authorized to wear in your ACU’s would be green socks. You are issued green socks at your clothing issue facility (CIF) in basic training. Depending on where you are stationed and how they want things done, because they might take your CIF back. This is why the army has green socks for sale at your local clothing and sales. Tan and black socks are the only other two colored socks you are authorized to wear in your ACU’s. You are not also authorized to wear those same colored socks (green, black, tan) without a cushioned sole. All three types of those socks must be calf high. Knee high, ankle, and no show socks are unauthorized. All personnel who wear combat or organizationally issued boots must wear the cushioned sole socks. The socks can also be worn as a two-sock system with the standard liner sock. Another term used for this system is called the black dress sock. This way of wearing them is only for additional foot protection. A new U.S. Army uniform has came out but is not completely authorized to wear until October of 2019 is called the operation camouflage pattern (OCP). You will be authorized to wear the socks I listed above that I stated was authorized, in this new uniform wearing the new coyote colored combat boots. In the U.S. Army dress uniform, you with be authorized to wear black dress socks, or boot liners. These socks you will be issued at you basic training from CIF, but again like I mentioned before. It all depends on where you go to basic training at and how they want things done; they might take it back once you graduate. All socks that are authorized in the army will be available at your local clothing and sales on base. These black dress socks and boot liners are made from an approved specification or commercial design. These socks are only authorized in calf length, black polyester, and nylon. These socks are worn with black oxford shoes only. From your CIF you will...