Light, packable all-mountain ePTFE shell with an extensive feature set. The Waterproof Hiking Jacket – our lightest – is built for mountain realities. Highly versatile, it’s carefully designed to deliver complete waterproof, windproof, breathable protection without sacrificing lightweight packability. Its innovative ePE membrane is light, strong, and PFC-free. C-KNIT backer technology improves comfort and breathability. The helmet-compatible StormHood protects without compromising vision, & pit zippers ventilate can aid in warm weather. This product is free of intentionally added PFAS. The new ePE membrane technology is lighter and thinner, but just as strong and durable as the materials we used before.