Keep soles trekking freshly mile after mile in this Thorlos hiking crew sock. Sold as a three-pair pack. Crew sock sits at the calf. Designed for feet that hurt during or after hiking to provide protection and comfort for men prone to blisters, foot pain, or discomfort. THOR-LON fibers are soft, resilient, durable, and wick moisture away from the skin to keep feet feeling cooler and drier. Ventilated panels for heightened breathability. Cushioned instep and arch for a better fit and feel. Hiking-specific padding helps reduce blisters, pain, pressures points, and moisture. Low-profile toe seam reduces the likelihood of irritation. 87 percent THOR-LON acrylic, 11 percent stretch nylon, 2 percent Spandex. Machine wash cold. Tumble dry low. Made in the U.S.A. Made in the USA. Measurements: Weight: 3.6 oz Product measurements were taken using size LG (Mens Shoe 9-12.5, Womens Shoe 10.5-13). Please note that measurements may vary by size.