73.7%Cotton, 22.7% Polyester, 2.5% Spandex, 1.1%Nylon. DURABLE – Our no show socks are not easily to tear or break with holes as these socks are embedded with reinforced cushion on the toe and sole, so that you can wear them longer. BREATHABLE- These mens no show socks are made of combed cotton. Your feet will feel comfortable when wearing them. Mesh on the top effectively keep your feet dry all day . NON-SLIP- Four non-slip silicones will keep socks in place and prevent slipping down when walking, standing. THREE SIZE TO CHOOSE- Whether your wear large or small shoe size, you will find what you need here. It is perfect fit to your sneakers, casual shoes, dress shoes, canvas shoes and most of loafers ,boat shoes etc. OUR SERVICE- If you have any problem in size, or if you have any quality problem with our no show socks, please don’t hesitate to contact us, we will send a replacement to you or we will refund you. We only want to give you the best service!