85% cotton, 10% nylon, 5% spandex. One size fits the most Package include: 10 pairs half socks. These cotton toe topper socks give just the right amount of coverage to make your feet comfortable in your shoe with no sock showing around the ankle and will NOT Slip off feet Elasticity top: Hold your foot tightly but no squeeze, anti-slip. Womens Invisible Socks. Hidden in your backless shoes low cut shoes like loafers, sneakers, boat shoes,etc. Seamless toe eliminates bulky toe seam ,reduce the risk of infection, foot pressure, blistering.Ventilated mesh panels allows for faster cooling and moisture release,helps feet stay cool and dry BUY AT NO RISK — 100% MONEY BACK GUARANTEE! Any unsatisfactory, do please contact us and then we MUST refund you or resend you.