Epi Lock Strap Sm Med Oxygen Tanks Operation temperature： 10℃~50℃ 14℉~122℉ Style:Pair (Left & Right) Operation temperature： 10℃~50℃ 14℉~122℉ Knee High (Closed Toe) * Khaki * 20 30 mmHg * Medium * Ankle Circumerence 8 1 2 9 1 2 * Calf Circumference 12 17 * Stylish leg therapy that feels great and helps manage pain and discomfort from: Tired aching legs mild to severe leg ankle and foot swelling minor to sever varicosities post surgical post sclerotherapy and help preventing a recurrence of venous ulcerations * features & benefits: * Number 1 physician recommended brand * Available in 5 colors and a large foot size * Fashionable ribbed designed dress sock * Smooth toe seam Epi Lock features a unique patented 2 strap system * The strap near the elbow supports deeply buried extensors and works with the forearm strap to provide exceptional support and pain relief * The non elastic straps are worn comfortably snug * When muscular force is applied the extensors automatically enlarge causing the straps to tighten * Universal left or right * Measure forearm circumference for sizing * Fits 7 12 circumference * HCPC: NOT COVERED