The Perfect Layer for Brisk Days You won't find a better Flannel Shacket than ours! This overshirt-like jacket is made with a soft, but durable flannel that is cozy and warm addition to your wardrobe. High quality construction and detail make this insulated flannel a standout. The soft and breakable grid-fleece lining ensures superior comfort and premium warmth, making this classic, flannel design suitable for everyday wear, hiking, hunting, and even piling brass while stacking souls.