18 mm Hg also is known as Thrombo Embolic Deterrent Stockings, these anti-embolism thigh highs help prevent venous stasis and embolism formation by applying graduated compression to the leg. Recommended for the recumbent (non-ambulatory) patient while lying in bed. Indicated for pre-and post-operative procedures and mild varicosities without significant edema. Features a silicone stay-up top and has a closed “balloon” toe. Color: White, Beige. Lightweight graduated compression support legwear helps prevent and relieve tired, aching legs; mild ankle and foot swelling; and mild spider and varicose veins.