NuVein 8-15 mmHg ladies designer support hose; 20 denier nylons; Massaging graduated compression | Closed Toe foot; Knee Length over calf fit; Wide comfort top band prevents sock from falling down | Helps circulation and blood flow from the legs; Reduces swelling, varicose and spider veins | Use for preventative care; Tired legs; Travel; Long periods sitting or standing; Pregnant vein issues | Made in the USA; Latex-Free; Constructed with nylon and spandex for long lasting value and durability: Measure according to size chart image