A black tank and jeans are the kind of a tested casual ensemble that you so terribly need when you have no time. Add black slip-on sneakers to the equation and you're all set looking smashing.
Black Slip-on Sneakers with Jeans Casual Hot Weather Outfits For Women In Their 30s
This combo of a black crew-neck t-shirt and jeans delivers comfort and definitely sass. Black slip-on sneakers complete this outfit very nicely.