Information about this item 5 pairs: meet your needs for the week Gradient compression: socks have a gradually decreasing pressure from the ankle to the knee. This supports the calves and promotes blood circulation, increasing the oxygen supply to the leg muscles, preventing cramps and reducing fatigue. Comfortable material: breathable, quick-drying, antibacterial and good elasticity. Versatile: ideal for sports (eg running, marathon, hiking, cycling, football, rugby, triathlon), people who are on their feet all day (eg nurses, teachers, pharmacists, police officers, warehouse workers), leisure and aviation personnel (reducing the risk). DVT and thrombosis on long-haul flights). Size: S/M (EU35-38), L/XL (EU38-41)