Our Work To Weekend Tank does exactly that. It's the perfect layering piece to wear under blazers, cardigans, etc. for the work day, but is also flattering for a weekend out on the town. Features sleeveless rib mock turtleneck and fitted style. And for under $20, you're going to want both colors - trust us. Material is very stretchy!
Sizing runs true. Model is 5'8", size 34D bust and wearing a size large.