Truform 1773 Compression 15-20 Mmhg Sheer Knee High Stocking 1X PAIR***Includes 1x Pair [Will not include retail packaging]*All Sales are Finals*No Returns* Nylon, Spandex Made in US Truform 1773 Women’s Compression Stockings, moderate 15-20 medical grade support Lightweight sheer fabric, roomy closed toe box, defined heal pocket and soft non-constricting top band for comfort, durability, and fit Precision-stitched hosiery, smooth breathable knit texture, fashionable design and styling Doctor-recommended; helps relieve leg fatigue; ankle, leg and foot swelling; helps improve circulation; ideal when sitting or standing for long periods of time Measure your legs first thing in the morning when swelling is at a minimum. Measure ankle circumference at smallest point directly above ankle bone. Then, measure calf circumference at largest point (widest flare of calf muscle). Use the size chart image as a reference.