The US460 Insulated Jacket in size 4XL by Portwest is designed for optimal warmth and protection in cold environments. This jacket features a durable outer shell made from high-quality materials, ensuring resistance to wind and water. With a thermal insulation layer, it provides excellent heat retention while remaining lightweight. The jacket is compliant with industry standards, making it suitable for various applications, including outdoor work and leisure. Key dimensions include a generous fit for ease of movement, and it includes multiple pockets for storage. Ideal for those needing reliable insulation without sacrificing comfort.