point6 Men's Trekking Tech Heavy Crew Socks 80% wool/18% nylon/2% spandex Made in US The Point6 fit is quickly becoming legendary. We have perfected an anatomical fit that will knock your socks off. For multiple days on the trail and backpacking when you need more cushioning and moisture management Heavy Cushion surrounds entire foot and leg It is critical to maintain optimum body temperature at ?98point6? degrees Regulation Fahrenheit (this is where we get our name). Wool does this! point6?s soft merino fibers will not itch or irritate the skin Renewable and natural products