What Our Gearhead(R) Experts Are Saying:"The Swisswool Piz Duan Jacket is my go-to for high-output alpine adventures. It's impressively lightweight and warm, thanks to the Swisswool insulation that regulates temperature even when wet. The Tec-Stretch outer material provides wind and water resistance without sacrificing breathability. Whether I'm using it as a mid-layer on frigid days or a standalone jacket in milder conditions, it always keeps me comfortable and ready for the next climb."Developed for year-round mountain adventures, the Swisswool Piz Duan Jacket blends natural insulation with technical performance. The 60g/m^2 Swisswool lining offers exceptional warmth-to-weight balance, keeping you warm even in damp conditions, while the Tec-Stretch outer material provides wind and water resistance without compromising breathability. Designed for movement, this jacket features an ergonomic cut, pre-adjusted hood, and elastic cuffs for a secure fit. Strategically placed diagonal quilting enhances durability and flexibility, while two front pockets keep essentials close at hand. Whether layered under a shell or worn on its own, the Piz Duan Jacket is a lightweight, packable essential for every alpine mission.