The lightest, most streamlined AscentShell(TM) rain jacket with reliable 3L waterproof protection, stretch, and supreme breathability. If what you need is a lightweight, streamlined, no-frills rain jacket built for active use and versatility, it&';s going to be the Motive AscentShell(TM) Jacket. We were able to make this layer so light by focusing on features made for performance without weight. The cuffs and hood use a cinched binding that creates a tight seal to keep weather and wind out, and a 3-layer waterproof shell construction with mechanical stretch ensures you can move through whatever weather pattern is on the horizon.