A Plain Black T-shirt Is a Nonnegotiable By Brenley Goertzen, a writer at the Strategist covering clothing basics and bath and body.

Or go for an oversize look, with a street-style-inspired coat ($200). Of course, you can't go wrong with a leather jacket ($600), which will amp up your outfit with just the right amount of attitude.

White T-shirts get a lot of attention, but let’s not forget their equally versatile counterpart: the exceedingly wearable, deceptively simple black T-shirt. It’s a staple you can wear to work ...