This water-repellent, goose down parka provides reliable warmth even in punishing conditions. The adjustable-fit waist and knit interior cuffs keep body heat in, while Shelter Cloth overlays provide extra protection from rain and snow. The attached hood is lined with wool for warmth, and has an adjustable visor to keep rain out of your eyes. The snap-closure front and pockets are easy to operate even while wearing gloves. Goose down traps small pockets of air, which buffer against changes in temperature, making it one of the most reliable insulating materials in the world.