3 Pairs Compression Stockings Blood Circulation Promotion Compression Socks Anti-Fatigue Travel Running Socks Compression socks are designed to bring the highest level of comfort, providing a 15-20 mmHg compression and cling to your calves. Features: Made of nylon, the fabric is smooth, not easy to pilling, breathable and sweat-absorbent. The compression socks is designed for sports, which tightly wraps the calf to relieve fatigue. The sock mouth is elastic, comfortable to wear. The sock heel is reinforced for better protection of achilles tendon. Reduce muscle vibration, protect muscles from sports injuries. Promote blood circulation. Relieve varicose veins or swelling. A great gift for runners, athletes, cyclists, nurses, or who stands all day long. Specifications: Material: 80% Nylon, 15% Polyester, 5% Spandex Size(LxH): S/M: 19 x 37cm, Footwear sizing: EUR 36-38, suitable for nz women's footwear sizing: nz 5.5 - 7 L/XL: 21 x 39cm, Footwear sizing EUR 39-40, suitable for nz women's footwear sizing: nz 8 - 8.5, nz men's footwear sizing: nz 6 - 6.5, 2XL: 23 x 41cm, Footwear sizing EUR 41-45, suitable for nz men's footwear sizing: nz 7.5 - 10.5 Compression Value: 15-20 mmHg Package Contents:3 pairs of socks Please Notes: Due to the different display and different light, the picture may not reflect the actual colour of the item. Manual measurement of size may have an error of 1-2cm.