The main fabric of this down jacke is made of Nylon, it is supper comfy, you will never feel any constriction in my shoulders or back, with this down jacket It always felt warm enough without putting a ton of layers underneath. High quality Nylon fabric means you are less likely to tear or rip the fabric while making sudden movements, making it a better choice for durability than many other own jackets. And we have the manufacturing techniques that could make it a down feather escape-free down jacket, it means the fabric will not let the down escape during strenuous activity. What kind of insulation we used for this jacket, it is white goose down with fill power 850 cuin, it takes up next to no space in your pack, yet has you more than covered when temps drop. it could be used for winter hiking, snowshoeing, and cross-country skiing on the mountain longer. It was perfect for hiking in 15F weather. One thing we need to note is that it warms up quickly! it better do not wear it when you are doing some athletic activities, but was a comfortable layer to pull over when we stopped moving. this jacket come with two handwarmer pocket, YKK zipper, no hood, elastic cuff, it's a minimalist down jacket but supper comfortable and exceptionally warm. Our company is a worker-founded business that provides affordable, functional, and high-quality clothing for people who care about quality , and have been engaged in outdoor clothing and casual wear producing for 27 years. We undertake to provide customers quality-assured products, services, and solutions and consistently enable customers to experience our commitment in creating value for each of them.We offer OEM service for :The North Face, Columbia, Mammut, Marmot, Helly Hansen, lululemon, Mountain Hardwear, Haglofs, NewTon, Mobby's, Angers-design, Xnix, Phenix, KOLON SPORT.We are a highly creative team with decades of industry experience, experienced technical team, recognised industry leaders with proven track record, We support small to midsize brands who need to bridge from concepts or small batch home production to a factory.