The S548 Insulated Jackets S548OBRM by Portwest LLC are engineered for warmth and comfort in cold environments. Constructed from high-quality insulation materials, these jackets provide excellent thermal protection while allowing breathability. Available in multiple sizes, they ensure a comfortable fit for various body types. With features such as durable fabric and multiple pockets, these jackets are perfect for outdoor work and recreational activities. They comply with industry standards for insulation and durability, making them a reliable choice for cold weather.