Extreme cold weather coats are not all made equal. The Iron-Tuff Inspector coat is tougher, warmer and ready for more. The longest days, the harshest conditions, the toughest jobs - none of it is a match for this coat. Bound seams and storm flaps over all the zippers seal out the wind and cold. Extra long for more protection, with side seam slits to access your pant pockets, this coat offers functionality beyond -50°F protection. 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 America s tables, Iron-Tuff has been there. Extreme durability, legendary warmth – it s the original way to Master the Cold.Sizing Instructions: For the most accurate fit, take your measurements over the base layer of clothing you intend to wear with this RefrigiWear gear (such as thermal underwear, jeans or a sweatshirt) and refer to the size chart for this product.