Therafirm Firm Support Knee High Open-Toe Stockings for men and women are designed to improve circulation, relieve tired, heavy, aching legs, and prevent moderate swelling. Be sure to use the size chart and measuring instructions to determine best size and fit. Therafirm Firm Support Knee High Open-Toe Stockings Feature: 30-40 mmHg (the mean compression for an average ankle size) Fashionable semi-opaque knit Soft comfort band is non-restrictive while staying in place all day Open-toe allows toes more wiggle room Two-way stretch nylon and spandex blend Micro-Cool process wicks away moisture, providing a comfortable coolness Made in the USA Also available in closed-toe style Care: Hand wash in lukewarm or cold water with mild detergent. Lay flat to dry.