These socks are made of Mongolian wool and have a cute woven sock. It is soft and supple to the touch and makes your feet look fashionable. The gray color is also undyed, and this color is produced by spinning brown and white hair together. < can be used at home or outside> While it has the warmth of wool, it is a little thinner than the THICK series. It can also be used when wearing tight-fitting shoes. < special pile knitting> The inside is pile-knitted, and you can feel the softness and warmth immediately through your feet. It also has excellent water absorption and moisture release, which makes it difficult for bacteria and germs to grow and smell. < Designed to not interfere with blood circulation> The loose ribs wrap around the entire foot, so it does not interfere with blood circulation and is especially recommended for those who are sensitive to cold. < Machine washable for easy handling> The hair is washed many times during the manufacturing process, and after completion, it is pressed with steam. You can put it in the net and wash it in the washing machine with other laundry. After washing, you can feel even softer.