NWT Madewell Three-Pack Slinky Ankle Socks in black, white, and a nice, neutral beige; one size fits all. These are a brand new closet staple that are ready for a new home! Product Description: Coming in a handy three-pack, these slinky ribbed ankle socks are the BFF to any dressy shoe. - Viscose/polyester/elastane. - Machine wash.