Fox River Traverse Women`s Medium weight Crew Socks, FR-2527, Medium, Oatmeal 75% Merino wool, 24% nylon, 1% spandex. Memory-knit construction holds shape, wash after wash. Contoured rib top holds sock in place to eliminate slippage. Spandex compression zones add support and keep sock in place all day long. Fully thermalined design absorbs shocks and insulates. Reinforced toe and heel add comfort and longer sock life. Single pair pack.