The Whistler Light Down Jacket features 100% nylon body construction and nylon/spandex knit binding. This men's jacket is light, with 80% down and 20% feather fill, High-tech minimalism can go a long way outdoors, especially when it looks this good. With its lightweight, compact and multi-pocket design, this full zip jacket offers active people a versatile and stylish apparel solution. Made with the same fabric and warm down filling as the Whistler Light Down Vest.