The lofty nature of the plumage allows it to trap air between its filaments, which is then heated by your bodys warmth. Since the early 1900s, DuPont has been revolutionizing the world of fibers and polymers with fabrics and materials like Sorona. Its made with polyester fibers that are arranged in different sized filaments and intertwined, mimicking downs lofty clusters. Reddit and its partners use cookies and similar technologies to provide you with a better experience. As a leader in the functional insulation market with advanced technologies, Youngone is proud to launch this new ecologically conscious range of insulations. Now customers and selected partners can access our list of preferred fabric mills producing Sorona around the world. Try again later. Privacy Policy / CA Consumer Privacy / Terms of Use, Visiting from another country? The all-new Helium Down Collection takes durable lightweight warmth to an entirely new level. In addition to its ability to efficiently trap heat, down is also incredibly breathable, allowing it to wick unwanted moisture away from your body to evaporate. Lets take a closer look at down and synthetic insulation to help make your decision easier. DuPont Industrial Biosciences, a DowDuPont Specialty Products business, works with customers across a wide range of industries to make products and industrial processes more efficient and sustainable. Cookie Notice Down has the highest warmth-to-weight ratio, and is the least bulky. But its not quite a miracle insulator: Down is not super breathable and loses its loft when wet, which means it no longer is able to keep you warm. Longtime REI Expert Advice editor Joe Pasteris is now a freelance writer based in Vermont. Sleeping Bags for Backpacking: How to Choose, Higher warmth-to-weight ratio than synthetic insulation, Very durable; with proper care, a down sleeping bag or jacket can last for decades, Loses insulating power when it gets wet and takes a long time to dry, Very water-resistant and continues to insulate even when wet, Offers less warmth for its weight than down, Less durable than down; insulating power gets reduced each time the bag is stuffed into a stuff sack, Lighter weight and more compressible than synthetic alone, Less water-resistant than synthetic alone.
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