This Thorlos Walking Crew 3-Pair Pack of socks are perfect for someone who is always on the go. Crew socks that sit at the calf. Sold as a three-pair pack. THOR-LON throughout the body of the sock wicks moisture, keeps feet drier and reduces blisters. Lightweight lace padding with added spandex at instep. Flat knit arch for a better fit, more support and more comfort Midweight padding in the ball and heel cushions and protects against shock, impact and shear forces. Low profile toe closure lies flat to reduce chafing and has minimal bulk. 83 percent THOR-LON acrylic, 12 percent stretch nylon, 5 percent spandex. Machine wash, tumble dry. Made in the USA.