The Artilect Formation 3L Jacket delivers outstanding waterproof protection and comfort. If you can wade through the chest-deep powder that is Artilect's impenetrable marketing gumpf, there's actually a very nice, sustainably produced waterproof jacket buried under there. Ethically crafted from a PFA-free four-way stretch nylon shell with a built-in GTT Empel permanent DWR Treatment (that's supposed to never wear out), this high-performance waterproof jacket is remarkably durable, offers an incredible 30,000mm hydrostatic head and provides an amazing range of stretch. Formation 3L Jacket - Men's Waterproof