Insulation material: Thermal Socks are made of wool, polyester, The material is soft and comfortable, breathable and warm, keeping your feet warm and dry in the cold winter. Winter Choice: These mens winter hiking socks are suitable as a surprise for Christmas, birthdays, Halloween or any other holiday giveaway, Enjoy a cosy winter season. Comfortable Fit: Our Thermal Socks feature a Y-shaped heel for long-lasting comfort in a form-fitting design. The durable and soft sock toes and heels reduce friction and keep you comfortable. Classic Colour: 3 stylish Thermal Socks for Men, Black, coffee and dark help cold winter mornings with these soft, comfy and warm socks for outdoor work, walking, travelling, skiing, hiking and daily at-home use. Package include: You'll get three pairs of warm, practical and simple Thermal Socks for Men, they are a one-size-fits-all that most men's feet can fit in.