Columbia's Whirlibird II Interchange 3-in-1 Jacket for Men gives you three options in one. One is a warm, water repellent zip in liner with thermal reflectivity for bonus warmth. The second is a waterproof, breathable and seam sealed shell. And the third is a combination of both, giving you the versatility to stay warm, dry, and comfortable in fluctuating winter conditions. It also features a waterproof center front zipper for bonus protection from wet weather.