These Women's 100% Wool Socks are made of pure new wool that is completely dye free. Wool has long been a favorite insulator and will retain heat, even when wet. These thick natural gray socks are perfect for winter as they can withstand harsh conditions. This pair is also the perfect essential to pack if you are going hiking, snowmobiling, skiing or on any other excursion over the winter months. Durable, heavy duty, high quality socks that are going to be your go-to socks for the winter season! Fits US women's shoe size 7-9 . (men's 6.5 - 8).