Rothco Mid-Calf Military Boot Sock Black L k-L. This mid-calf sock has reinforced toes and heels for extra strength and durability while you are camping hunting or performing other outdoor activities. These military socks feature flat toes ribbed tops and cushioned shin and footbed for extra support.' Specifications for Rothco Mid-Calf Military Boot Sock: Manufacturer: Rothco Gender: Male Age Group: Adults Sock Height: Mid-Calf Footwear Type: Socks Fabric/Material: 92percent Acrylic 7percent Nylon 1percent Spandex Features of Rothco Mid-Calf Military Boot Sock Material: Spandex Material Specs: 92percent Acrylic 7percent Nylon 1percent Spandex Package Contents: Rothco Mid-Calf Military Boot Sock Rothco 4625-Black-L: Mid-Calf Military Boot Sock Black