The RefrigiWear Iron-Tuff Arctic Jacket is engineered for ultimate performance in arctic conditions, rated down to -50 degree(s)F (-46 degree(s)C). Its waist-length silhouette is built rugged yet functional, featuring a 400-denier abrasion-resistant and water-repellent nylon outer shell with a wind-tight finish that stands up to harsh wear. Inside, 11.25 oz. of RefrigiFill polyester insulation keeps core warmth where it belongs. Thoughtful reinforcements like bound seams, brass rivets, and a heavy-duty brass zipper with storm flap ensure resilience and protection. Two oversized insulated front pockets and a convenient 2-stall pencil pocket on the sleeve provide practical storage. Finished with a soft fleece collar and adjustable cinch drawcord at the waist, this jacket epitomizes tough, reliable warmth for industrial or outdoor subzero environments. 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.