Epi Lock Strap Sm Med Jobst Relief 20 30 Waist High Knee High (Closed Toe) * 16 7136 Knee High (Closed Toe) * Classic Black * 20 30 mmHg * X Large * Ankle Circumerence 10 1 2 12 * Calf Circumference 15 20 * * Attractive ribbed design with 3 D knit structure * Easy to wear with a comfortable band that keeps socks up without binding * Flat toes seams and a roomy toe section * Reinforced heels for a longer lasting durable product * Anti bacterial additive reduces unpleasant sock odor * Special Moisture Transport System with soft micro and multi fiber yarns in the sole keeps feet dryer * Latex Free * Color: classic black 5 * Capacity: 600 lbs * 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