These no-show socks are seriously the solution to that annoying slipping problem! COOVAN designed these with SIX non-slip silicone strips that cradle your foot and keep the sock firmly in place - no more constantly adjusting or pulling up your socks. Made with a high percentage of premium cotton that's super breathable and skin-friendly. The reinforced toe area uses combed cotton thread that's stronger than regular cotton, so no more holes developing after a few wears. The front mesh ventilation keeps your feet fresh and controls odor throughout the day. Perfect for US shoe sizes 6-12 (sock sizes 10-13), these work great with sneakers, dress shoes, boat shoes, canvas shoes, and loafers. The 7-pair pack means you've got enough for the whole week without constant washing. They're truly invisible when worn, so you get the comfort of socks without the visible sock line. The low cut design stays hidden even with the lowest-cut shoes. If you're tired of socks that slip off your heel or show above your shoe line, these are absolutely worth trying. Your feet will stay comfortable and your socks will stay put!