Purple Mountain Observatory 2 Layer Shell Jacket Texture BlackUltralight and compact, the Arcus Shell is designed to deliver protection without the added bulk. Inspired by the Arcus cloud; a vast, low level formation often seen before thunderstorms, this jacket lives up to its name, offering excellent water resistance while serving as a lighter alternative to our 3 Layer Shell. Perfect for those who need reliable protection on the go. Crafted from a Textured Nylon, the handle has a distinctive corrugated