It wears fine by itself, but you can also attach it with a zipper over the 10X polar fleece liner jacket. The options are endless for the outdoorsman like you who enjoys hunting in diverse climates, conditions and terrains. This 10X System Hooded Jacket has a 100% waterproof, breathable shell. Plus it's insulated with ThinsulateTM to keep you warm as toast, and the Scentrex lining means your prey won't pick up on your odor. A total of 4 pockets haul and secure your gear, and a detachable hood adds extra warmth when you need it. From 10X, the ultimate in dry, warm and insulated garments for the extreme hunter.