12 Pairs Knee Length EMS Stockings This is a box of twelve pairs of knee length compression stockings in size medium, regular. Use these compression stockings if your calf circumference is 12 inches to 15 inches and leg length is 15 inches to 17 inches from ankle to knee. Medline anti embolism stockings are constructed to have a gradient pressure of 18 mmhg at the ankle that gradually reduces. Leading medical specialists designed these Medline EMS or TED stockings to give a contoured fit with gradient pressure designed to keep blood and lymphatic fluid flowing in those who are bedridden or do little walking. These stretch anti embolism stockings are knee length. The compression stockings concentrate pressure at the ankle with gradient pressure that progressively decreases throughout the leg. Construction is 95 per cent nylon and 15 per cent spandex. Knee length, regular leg length box of 12 pairs by Medline Industries. This item ships from a separate warehouse and may require extra time for delivery.