Jobst Opaque Medical Legwear - Women's Knee High 30-40mmHg Compression Stockings are medical legwear knee highs that combine support with style. Jobst opaque support hose conceal blemishes, scars, and varicose veins. The 30-40mmHg gradient compression in the support stockings help to relieve aching, tired legs, swollen feet, and ankles. Available in black or beige/natural.