Graduated compression technology is greatest at the ankle (15-30mmHg) and decreases gradually up the leg to improve healthy circulation. Soft and flexible cuff for wearing comfort yet snugly fit to ensure the socks remain in place without constricting your leg. Open-toe design allows for additional sizing flexibility as well as providing additional ventilation. Recommended forMinor Varicose Veins, Minor Spider Veins, Edema, DVT, Post-Surgery, Swelling in Ankles Calf Feet, Enlarged Bulging Veins, Pregnant Nursing Expecting Mothers (when indicated by a doctor), Travel (prevents blood pooling and clots in frequent flyers), Tired Aching Legs, Muscle Recovery Post Cardio Workout and Exercise. Beauty Shaping and Leg Contouring. Wash gently with mild detergent in lukewarm water. Do not wring or twist. Dry flat away from heat and sunlight.