15–20 mmHg compression provides ultra fashion support for relief of tired legs, spider veins and mild swelling. See sizing chart below for custom sizing. Truform Therapeutic Compression Stockings with 20-30 mmHg or 30-40 mmHg help relieve aching, heaviness and leg fatigue, visible varicose veins, and swelling. Prescribed for poor circulation, post vein surgery support and prevents burn scar formation. See sizing chart below. See ankle, calf size information in sizing charts below. Latex free.