Filson Swiftwater Rain Jacket RavenWhile some situations call for a weather resistant, heavy duty shell that stands up to briars, brush and abrasion, our Swiftwater Rain Jacket is engineered for active uses that require lightweight, waterproof protection that can be pulled out in an instant. The Swiftwater weights under fourteen ounces and packs into tight spaces, so its easy to stow in a backpack pocket or an upland hunting vest. The 2. 5 layer shell fabric is constructed with tough,