Perfect Fit - S/M Mens Shoe Size 5-7 Womens 5-8L/XL Mens Shoe Size 6-9 Women 7-10 XXL Mens Shoe Size 7-11 Women 8-12 XXXL Mens Shoe Size 9-14 Women 10-15 Best gift for athletes, teachers, flight crews, receptionists, office workers, pregnant women, caring mothers, seniorsEffective - Our compression socks (20-30 mmHg), to absorb shock and prevent overuse injuries during any activity, thick, soft cushions are built into the sole of these running compression socks, protecting your feet and providing comfort throughout the day, increasing performance and duration.Better Fit: The material of our compression socks is upgraded with nylon percentage from 40% to 85%. Provides 360-degree stretch for greater flexibility and durability. We carefully design and manufacture our compression socks to provide premium support, comfort and relief without compromising your mobility. The tight, lightweight and breathable fabric maintains joint stability, regardless of the activity.COMFORT We carefully design and manufacture our compression socks to provide premium support, comfort and relief without compromising your mobility. The tight, lightweight and breathable fabric features maintain stability regardless of the activity.Push yourself the extra mile incredible level of comfort and breathable fabric to help regulate temperature; Perfect for any season, whether summer or winter! Ideal for running, marathons, cycling, physical exercise and anyone who wants to improve their performance; Your feet and legs will thank you!