Design: Our women invisible socks using special knitting process, much simplicity , beautiful and elegant. Breathable, lightweight thin, moisture wicking, sweat absorbent material fights foot odor, which make your feet stay dry and fresh all day. . Material: Top layer: 85% nylon 15% spandex bottom: 90% cotton 10% nylon.The nylon top layer is as soft and silky as silk, granting a cool, dry feeling even on the hot summer days. Cotton sock bottom, is moisture control, sweat wicking, soft, wearable and anti-bacterial. Easy to wash - machine washable and hand wash. . High Elastic & Universal Size: Our high elastic women socks suit for women's shoe size from 3-7(UK), 35-40(EU), more soft and comfortable, not crowd feet. Allow your feet to breathe, stay comfortable. . Non slip design: There are 360 non-slip silicone around the top line of the sock and beautiful rose shape silicone dots on the bottom of the sock help it stay in shoes without slipping. Walking or running as you like. . Ideal For:6 pairs non-slip boat socks, applicable for all year round ,perfect for ballet shoes, pumps, high-heel shoe, sneakers, flats, boat shoes, loafers they are your wonderful gifts sent for your friends, relatives and other people. .