95% Cotton 5% Nylon??Material:Top layer:80% Nylon 20% Spandex; Bottom:95% cotton 5% Nylon??Free Size: 6~11(US). Best elasticity can be suitable for women’s feet.??Anti Slip gel pads:We know women??s fashion well. Wearing those sharp heal is hard enough. You don??t have to worry about socks caving into the pressure of toes. Special silicone gel grip pads on the back of heels hold the socks in place paying tribute to your patience and pains.??Perfect Comfort: No show socks enhance the durability, comfortability, sweat-wicking and breathability.??Easy to wear:Invisible in most Sport / Running / Yoga / Workout sneakers, boat shoes and loafers.The no show liner socks will stays hidden underneath your flats, heels, low cut sneakers, and loafer. So you will look fabulous while feeling good.