The Polar Extreme insulated thermal socks keep your feet warm and comfortable during the extremely cold winter weather. They're great for everyday wear, hiking, camping, and any outdoor activity. OTHER PRINTS ARE AVAILABLE IN THE CLOSET. Details: Comfort - you deserve comfortable crew socks and these are them. Just feel the inside of these heavily brushed-lined socks and you can imagine how comfortable they will be on your feet. Performance - with the inherent moisture management of these socks combined with the thermal properties the result is a fantastic performing sock: the warmest thermal sock imaginable. Sizing: Shoe size women 5-9 Fits sock size women 9-11 Content & Care: 94% Acrylic + 5% Polyester. Machine wash cold with similar colors Use non-chlorine bleach when needed. Tumble dry low Do not iron