Buy 2 pairs for alternate use. Wash gently with mild detergent in lukewarm water. Do not wring or twist. Dry flat away from heat and sunlight. Recommended for: Pronounced Varicose Veins, 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 Heavy Legs, Muscle Recovery Post Cardio Workout and Exercise. Perfect fit: Please choose the right size by referring to the recommendations in size chart. If you buy compression socks for the first time, we suggest that you select ?ONE SIZE UP?. Comes with Easy-to-wear foot slider accessory to help you slip on your socks easily. 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. Graduated compression technology is greatest at the ankle (20-30mmHg) and decreases gradually up the leg to improve healthy circulation. Lin Performance compression socks evolve on the development and marketing of a true and correct compression for our customers by using SAG compression tester ( MST MK IV ). Quality assurance with correct compression helps you relieve pain, quick recovery and healthy living. Imported. 75%Nylon+25%Spandex.