Helps relieve the symptoms of moderate-to-severe varicose veins. Relieves chronic leg conditions and swelling. Designed with graduated compression. Compression decreases gradually up the leg with maximum compression at the ankle to help promote healthy legs. Helps prevent deep vein thrombosis (DVT). Improves circulation to help minimize swelling. Soft materials have an extra durable reinforced toe and heel. Brief cut panty. Compression level: 20-30 mmHg. Medium fits: 4'11": 135-140 lbs; 5'0": 130-150 lbs; 5'1": 125-160 lbs; 5'2": 120-150 lbs; 5'3": 115-145 lbs; 5'4": 110-140 lbs; 5'5": 105-135 lbs; 5'6": 110-130 lbs; 5'7": 110-125 lbs.