Black Simple Knit Indoor Socks For Women One Size by Elanze DesignsThese slipper socks are like cozy sweaters for your feet, with a super soft and fluffy white lining. Beautiful cable pattern is knit in black. Multiple silicone circles on bottom of socks prevent slipping. Outside is 100% acrylic; inside and soles are 100% polyester. Wash in warm water, air dry. One Size by Elanze Designs fits most.