Depending on your personal style barometer, plaid might mean ... it does layered over a T-shirt. Camp collar shirts aren't just reserved for short sleeves. This long sleeve, boxy one is a cool ...

Old Navy is selling a flannel that looks like an affordable dupe for Swift's plaid jacket. Dubbed the Long-Sleeve Plaid Flannel Boyfriend Tunic Shirt ($ ... the orange-and-black plaid.