Copper Compression Socks for Men Women 20-30 mmHg Knee High Socks-- 3 pairs -brand new size small /medium (women's 5.5-9) 20-30mmHg GRADUATED COMPRESSION SUPPORT: Designed with graduated compression to provide the strongest support at the ankle while gradually reducing pressure up the leg. Helps support circulation, ease tired, heavy legs, relieve swelling discomfort from long periods of standing, sitting, workouts, and travel, while providing everyday support and post-workout recovery.