A charcoal wool blazer and a black crew-neck t-shirt are the kind of a tested off-duty look that you need when you have zero time.
Charcoal Wool Blazer with Black Crew-neck T-shirt Outfits For Women
For a safe laid-back option, you can never go wrong with this combo of a charcoal wool blazer and a black crew-neck t-shirt. On the shoe front, go for something on the relaxed end of the spectrum and round off your outfit with a pair of black leather chelsea boots.