This pair of women's thermal crew socks by Heat Holders are an essential layer during the cooler months to help your feet stay warm. This insulated pair is made from a soft stretch ribbed knit. # Pieces In Set: 1 Pair Features: Insulated Shoe Size Range: 5-9 Fiber Content: 91% Acrylic, 6% Nylon, 3% Polyester Care: Machine Wash, Dry Flat Country of Origin: Imported