The Fox River Trail Crew Hiking Socks feature Wick Dry moisture management technology. Great fit and support mean you're cushioned, dry, and comfy no matter where you end up. Memory knit construction holds form, 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. Vented panels remove moisture and keep you dry. Reinforced toe and heel add comfort and extend sock life. Made of 38% nylon, 30% merino wool, 30% acrylic, 2% spandex. Made in USA.