| RefrigiWear Iron-Tuff® Socks | Gray | Ragg Wool/Nylon/Acrylic | L/XL. RefrigiWear Naturally warm and moisture wicking, these socks are also extra durable. Tough days are no match for this level of comfort and protection. Iron-Tuff® Socks give you the support and warmth you need when spending your days in freezing temps. Warm. Tough. Iconic. The Iron-Tuff® Collection has been proven in the cold for over 65 years. From the Alaska Pipeline to every step of getting food to our tables, Iron-Tuff® has been there. Extreme durability, legendary warmth - it's the original... - RefrigiWear Iron-Tuff® Socks | Gray | Ragg Wool/Nylon/Acrylic | L/XL. |