Our Longest Beta’s Versatility Gives You The Freedom To Discover New Places And Pursue Different Experiences. Waterproof, Windproof Gore-tex Fabric With Gore C-knit™ Backer Technology Delivers Durable Protection With Enhanced Comfort And Breathability. A Pfcec-free Dwr Finish Adds Water Resistance Without Harmful Chemicals. The Length Extends Coverage And Rides Comfortably Under A Pack, Pit Zippers Ventilate, And The Adjustable Stormhood™ Delivers Coverage Without Impacting Peripheral Vision.