85%Cotton+12%Polyester+3%Spandex Mens No Show Socks. Mens No Show Socks Lot pack: (7 Pairs), and size (6-10). Performance: Add cushions at the bottom while maintaining more comfortable to wear. SIZE OPTIMIZATION??The adjusted size will not cause the toes to be pressed and there is enough room for stretching! Non-slip: The upgraded anti-slip design adds 5 silicone strips, which effectively prevents the socks from slipping. If it slips, we will replace it for free or a full refund! Quality: Finer stitching, more yarn per inch, toughness of the toes, no need to worry about easy breakage, after many uses and washing, can still be kept intact! After-sales: If you have any questions about the product, please feel free to contact us, we promise to solve your problem in time until you are 100% satisfied with the shopping!