According to Knix, size 8 fits: 40D, 40DD, 40D/DDD, 42D, 42DD This sports bra is new with tags, I could tell it wouldn’t fit me without even trying it on! All my items come from a smoke-free, kitty-friendly home. Black zebra print, size 8 From the website: A high-impact bra that handles your hardest workouts. Our most supportive sports bra ever. And one that doesn’t give you the dreaded uni-boob. Keeping you in place while you move, this bra reduces overall breast movement by 76% (During treadmill running; based on University of Portsmouth Research Group in Breast Health study, 2018). How It Fits - Easy on & off - High impact support - Encapsulated cups to reduce movement - Adjustable back straps - Ventilated cups - Hook & eye back clasps The fabric is designed to feel snug at first but relaxes with wash and wear for a perfect fit. Fabric & Care Machine Washable: Wash with like colors. Machine wash cold with mild detergent on delicate, do not bleach, do not dry clean, do not iron, lay flat to dry. Body: 59% Nylon, 41% Spandex Lining: 86% Nylon, 14% Spandex