Features of prAna Hellebore Jacket - Women's: Size M Numeric Size 8 - 10 Arm / Sleeve Length 31.75" Bust / Chest 37 - 38" Lightweight matte nylon shell Insulated with RDS certified 650 fill power down High fill weight Lightweight slim vislon center front zipper Silicone tipped cord zipper pull tabs Interior security zip pocket Internal elasticated cuff Hood and Hem drawcord system Grosgrain tape details Rubber coated snaps Raised silicone logo PFC-free DWR (durable water repellent) bluesign product The Hellebore Down features prAna's signature Pertex Shield+ technology, which gives this jacket a weather-resistant and windproof barrier. And the breathable, moisture-wicking capabilities make this an ideal jacket for outdoor expeditions. For more active days, the Hellebore can be layered under a water-resistant jacket or sweatshirt for extra warmth. But for every activity, you want to make sure you've got prAna's Coldweather Defense Water Repellent fabric on your back. Because a big, warm, cozy jacket always feels like a huge weight when you need it most. Our innovative over-sleeve storm cuff keeps the cold out while still allowing you to easily react to the environment when adventure strikes.