Portwest LLC's US433 Insulated Jackets US433NARXXXL are engineered for maximum warmth and comfort in cold environments. The jacket features advanced insulation technology, providing excellent thermal protection while remaining lightweight. Its water-resistant and windproof outer layer ensures you stay dry and comfortable in adverse weather. With an adjustable fit and multiple pockets, this jacket is ideal for outdoor professionals and enthusiasts alike. The US433NARXXXL meets industry standards for insulation and weather resistance, making it a top choice for winter conditions.