I have to is bag in both black and white and it is my favourite. It goes with everything and has compartments to hold cards, lipgloss, etc. it is adjustable and can unclip so that it can be worn in several ways.
Belt Bags | lululemon
I have the align tank in both black and white. It is supportive like a bra and made of very soft and stretchy fabric. It provides good support for my chest too.
lululemon Align™ Tank Top | Women's Sleeveless & ...
