80% Nylon 20% Spandex.With good elasticity,that fits women’s shoe size [ US 3-8 ].Perfect elasticity, ultra-thin material suitable for summer. Our no show linersocks include 10 colors, a total of 30 pairs, so that you can maintain a good feeling every day No show socks that are low cut enough to be invisible and ultra-soft and smooth. Invisible socks with super soft comfort feeling with great ability to soak up sweat. Keep dry all day. Silicone gel circle to keep them firmly on your instep and heel grip, will not fall off the feet; Low cut Shoe Shape Unique Design keep invisible We are in charge of the quality of our socks and also pay great attention to customers’ satisfaction. If you have any questions about our Non-skid socks, please contact us.