memoi anchors at sea fine edge liner socks 3-pack black one size memoi novel and nautical fitted sock liners stay on all day long, thanks to the no-slip silicone grip along the heel. awesome anchors, in a variety of clors, cover the semi-sheer black sock liner from heel to toe. not in the mood for a pattern? this pack of three also includes a tan pair and a black pair of sock liners.