Medical Compression Socks. 15-20 mmHg. Shoe Size: 7 - 11. Best suited for management of early stage clinic venous disease. Perfect for men with large feet, long distance travel and fashionable options. Knee high, calf grip top made of 100% microfiber. Excellent breathability and moisture management. Double covered inlay yarns provide comfort and allow product to easily glide on and off. These socks are sealed for hygienic purposes.