Jobst For Men 15 20 Knee Hi Black Large (pair) Parallel Bars 5 Seat to Top of H300 is the third 5 Seat to Top of Back: 15 5 * Capacity: 600 lbs * Knee High (Closed Toe) * Classic Black * 15 20 mmHg * Large * Ankle Circumference 9 1 2 10 1 2 * Calf Circumference 14 18 1 2 * * 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