Angelina Liner Sock with Cotton Non-Skid Bottom and No-Slip Heel (6-Pairs) Features a cotton sole with silicone gripper dots for traction Comes with an elasticized edge and no-slip heel Ultra thin and breathable material 65% Cotton, 25% Nylon, 10% Spandex Hand wash, line dry. Womens one size fits most Made with an ultra stretchy nylon fabric for maximum comfort Comes with a non-slip heel grip Features a cotton sole with silicone gripper dots for traction Elasticized edge finish helps keep socks in place