Sock Monkey Knit Footie Slipper Socks ACRYLIC KNIT When you don't want to go full-bananas in our Sock Monkey footie pajamas, dress up your feet in these cute sock monkey footies instead! Acrylic knit fabric keeps your toes warm and toasty without overheating. Detailed with button eyes and yarn stitching for the ears, mouth and nostrils. Care instructions: Hand or machine wash with cold water. One size - fits women's sizes 5 through 8.