The biggest update to our dress code is simple: wear a black shirt — either your own or one ... and fix problems like long wait times. This includes implementing a new mobile ordering system ...

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 our dress code, we can deliver a more ...

This means that a white shirt (or pants) will reflect most of the light and not get hot. Simple, right? 2. Wear Black. But wait! What about the bedouin in the desert regions of North Africa?