SheBird's sizes range from 30A–46D and are categorized as sizes 1–9, so be sure to check their size chart!
I personally have this shirt and love it! No more needing to rummage through my clean laundry pile (everyone has one of those, right?) to find a sports bra *and* a T-shirt for my workouts. I can just toss this on and voila! A super-comfy two-in-one option that works for pretty much any activity or occasion.
Get it from SheBird for $73 (available in sizes 1–9).