Ambielly Women's Lace Non-slip Invisible socks boat socks Material:lace;Non-skid Design: Silicone grip patches at bottom and heel for better traction Lace toe cover - Dainty and feminine 80% Lace, 20% Cotton Women's Size: 3 - 9 [Includes 4 pairs/Set as Image shows.] Great when wearing ballerina flats, high heels, loafers