COMFORTABLE FIT: These socks have been specially developed for athletes. The sock has a seamless design and a thickened foot and heel piece. Made of moisture-wicking material. EFFECT: The sport socks contain compression. This improves blood circulation in the legs. This will reduce the risk of muscle pain and injury. The socks stabilize and support your ankles, shin and calf muscles optimally. SUPERIOR QUALITY: STOX Energy Socks are premium compression socks made of high quality and durable materials. Pressure class 2 Compression (23-32 mmHg). 100% Made in Italy. WARRANTY: 30 days money back guarantee and free shipping on all orders. Already more than 350,000 satisfied users. Rated 4.6 out of 5 on Trustpilot based on 14,000 reviews.