This lightweight and soft-to-the-touch down parka is made with "Windstopper® Fabrics," a material with high windproof and waterproof-breathable properties, and filled with high-quality down. *It is not completely waterproof. Because it is not seam-taped, water may penetrate through the seams. Specifications Material: Outer: Windstopper® Fabrics by GORE-TEX LABS [Face: 13-denier Ballistic Airlight® nylon ripstop] Lining: 10-denier Ballistic Airlight® nylon ripstop [Water-repellent and anti-static treatment] Insulation: 800 fill power EX Down #montbell #montbelldown #downjacket Also available for sale on Rakuma.