FITS LIKE A US 3XL. The Brandit Britannia Men’s Security Field Jacket in size 5XL is a black military-style parka made of cotton twill fabric with polyester lining and insulation. It features a stand-up collar, hood, and pockets, suitable for casual occasions in the winter and fall seasons. The jacket has a zipper and button closure with accents like buttons, zippers, and the Brandit logo, reflecting an army theme. With a warm weight of 450, this regular fit jacket is machine washable and perfect for walking activities.