Jobst Anti Em Knee Hi Medium Regular Closed Toe White Mattress Covers The Q Hinge's adjustable corrective mechanism Assists in strengthening quadricep The Q Hinge's adjustable corrective mechanism with three points of leverage reduces pressure in the affected compartment and is adjustable for every patient's needs this hearing aid decreases the high and low audio frequencies when you toggle the rocker switch Designed to reduce the risk of Deep Vein Thrombosis (DVT) commonly known as blood clots * Specially designed as a Thrombo Embolic Deterrent stocking JOBST Anti Embolism applies gradient compression highest at the ankle and gradually decreases this pressure up the leg to improve blood flow * It is improved blood flow that helps reduce the risk for DVT * JOBST Anti Embolism Knee Highs and Thigh Highs are for patients who are resting in bed or otherwise immobile (non ambulatory) * JOBST Anti Embolism Knee Highs and Thigh Highs are designed to be worn by both men and women * Accurate gradient compression therapy minimizes the risk of DVT (blood clots) * Soft breathable fabric is lightweight and comfortable * Latex free formula helps avoid allergic reactions sometimes associated with other hosiery products * Reinforced heel is designed for long lasting wear * Calf Circumference: 12 15 * Length from heel to bend of knee: 14 17