The support is excellent for use during standing or sitting for long periods of time. The support helps promote circulation for swollen, sensitive, sore legs. Sock fits 13 to 15 and shoe size 12 to 14 with a 8-15 mmHg support. The flat toe seams help to reduce any irritation for sensitive feet. Please note: Socks are not able to be returned or refunded if they have been removed from their original packaging.