Size: Knee length-Small-Extra Length. Please see second picture for size chart Closed ToeT.E.D. stockings are specially designed to speed blood flow by providing graduated compression up the leg. Compression is tightest at the ankle and gradually diminishes up the calf. Pressure pattern stays in place for continued benefit Designed to maintain circulation Defined heel pocket for easy sock orientationWARNINGS: These stockings are only to be worn on the advice of your doctor and for the recommended time period Do not under any circumstances turn down top of stockings; do not cover any portion of the knee. READ ALL WARNINGS AND DIRECTIONS ON THE PRODUCT"S PACKAGING