These therapeutic, compression stockings enhance circulation to help ease swelling and energize tired, aching legs and ankles. The medical-grade compression is highest at the ankle and gradually decreases towards the top. Choose Moderate Compression (15-20mmHg), or Firm Compression (20-30mmHg). Made in the USA of nylon and spandex with non-binding tops. Measure calf circumference for knee highs, and thigh circumference for thigh highs. Machine wash. Color available in Beige or Black. Size available in Medium (Calf Size: 12"-15"), Large (Calf Size: 14"-17") or XLarge (Calf Size: 15"-18"). Knee High, Firm Compression, Open Toe.