Physician's choice white over-the-calf diabetic socks sock size 10-13. Made in the usa! Made from 80% cotton, 15% polyester, and 5% spandex. These extra-long versions of our very popular crew diabetic socks feature a loose fit, non-binding top for better circulation, cushioned foot for comfort. An ultra-flat toe seam and moisture vent system. Doctor approved for those with poor circulation, or diabetes. Top has 11" cross stretch to stay up without binding the leg. 3 pair to each band. 1 dozen pair (4 pair of 3 pair) to a bag. Plain white buy 10 or more and save!