What I learned as I researched is that it’s quite tough to pick the “best” white T-shirt — there’s just as much of a case for a structured boxy tee as there is for a plain cotton Hanes.

A nice blazer that makes you feel like your best self. A plain white T-shirt. The plain white tee is a closet staple for good reason. You can dress it up or down, wear it alone or with layers ...