You want the shirt that layers like a jacket. Hello, Thompson Shirt Jac: Outside, indigo stretch chambray. Inside, a super yummy flannel. With subtle tailoring and medium quilting, the Dovetail Shirt Jac wears easy but holds a solid work ethic. 4 serious pockets mean max functionality. Armpit gussets mean max range of motion. Reach for the shirt that is also a jacket. Pick the one that is also both.