MD or Ph.D., these doctor socks make the perfect gift for anyone who asks you to bend over and relax. Colors: smokey grey blue-green. Size: fits men's shoe sizes 7-12 / women's shoe sizes 9-14 Fit: mid-calf rise Content: 65% cotton, 15% nylon, 15% polyester, 5% spandex Country of origin: Taiwan. Blended for comfort: our custom blend of cotton, nylon, polyester, and spandex makes these socks breathable, soft, and incredibly comfortable. High-quality construction: the wide-ranging fit and stay-up top band provide a comfortable-fitting sock that stays in place all day, wears well, and holds up wash after wash. High needle count: our socks are made with a fine 200 needle count, meaning they are denser and softer, and allow for our designs to look crisp and clean.