Keep your shirt neat and in place with Military Shirt Stays. The classic military shirt stays use elastic tension to keep your uniform shirt tucked in tight. straight style shirt stays feature single clips that attach to your socks and your shirttail for all-day wear without slipping and the metal clip adjusters allow for a custom fit for any size. These shirt stays come in a 4 pack and are made from polyester elastic webbing with a cotton cloth for comfortable wear.