While the shirt they wear must be black, it can have short or long sleeves and be crew-necked or button-up, for instance. Even a black T-shirt and jeans could qualify, Starbucks said. "By updating ...

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 ...