X-SOCKS are high-tech protective socks that combine Swiss patented technology and Italian production technology. They have 28 patents such as air conditioning system, X-shaped straps, etc., and use 99.9% silver content. The silver yarn, carefully woven on a specially developed loom, is the most technologically advanced sock in the world and the only sock to offer a two-year quality guarantee. The entire series of products are imported from Italian original factories. ?