Dress up your feet in these nifty navy blue slipper socks. These slipper socks will keep your precious feet warm and safe on cold days and freezing nights. These Slipper Socks For Women With Gripper Bottoms are made of fabulous polyester cotton and the floral, dotted and heart shaped gel shapes on the bottom lend true traction action. A touch of tiny dots on the socks give them a cheery note. One size fits most women shoe sizes 5-10. Polyester, Nylon and Spandex.