Basico Active No-show Casual SocksNon Slip Plain,3 PK/6 PK Made in USA and Imported Cotton 80% Polyester 18% Spandex 2% Uniquely designed with a silicone finish that will hold your feet & won't slip off Designed with non-skid silicone patches to prevent slipping inside of the shoe STYLISH "no-show" sock that is HIDDEN in your shoe. An EASY go-to option designed ELASTIC band to be a COMFORTABLE solution for all shoes / Delicate Cycle Wash & Air-Dry ** Breathable cotton blended with spandex for a better fit.