New Sale 12-pair set Ultra-low cut 21-23cm with heel slip-resistant cover socks Men's and Women's Black Cover Socks These are hard to see even when wearing sneakers or deck shoes, making them perfect for spring and summer outfits. The inside of the heel has wave-shaped non-slip grips to prevent slipping. Seamless design for a comfortable fit without constriction. Contains a high percentage of cotton for comfortable wear. Each pair comes with its own individual card, making them convenient to carry for outings and travel. Color: Black Materials: Cotton, Polyester, Polyurethane