Main ingredient: cottonProduct characteristics: suitable for skiing, mountain climbing, hiking, etc., use comfortable fabrics, have elasticity, comfortable skin, warm, warm and cold.Plastic thread socks, comfortable to wear, no oppression, no oppressionThree -dimensional socks, three -dimensional protection, comfortable and more durableTake care of your feet and socks, and they will not fray, itch, or tear fast, our winter wool socks provide ultra warmth in the cold weather. They are soft and warm. Applicable to many occasions-casual, work, office, school, home and outdoor sports. So, if you are looking for work socks, casual socks, outdoor hiking socks, this wool crew socks will the best socks for you.