When you have a D cup, you want to be supported and comfortable in your bra. But a lot of bras suck. Here at ThirdLove, we make better bras for women of all cup sizes, including full and half cups (if you're between sizes). It's important to wear a bra that fits you perfectly with the extra support you need, especially with a larger bust. 40D bras at ThirdLove are designed to fit your body. They will hug and smooth your curves the way you like so you look and feel great every day.
Finding your perfect bra size can be difficult. That's why we created our Online Fitting Room Quiz! No need to give in to bad bras or confuse yourself with sister sizes. Take our quick quiz to find the band and cup size that will best fit your body in minutes. We'll also give you plenty of suggestions based on the styles you love so it's easy to shop for your next favorite bra. Take our Fitting Room Quiz to say goodbye to bad bras and hello to better bras that give you the support and look you crave.
Explore all D cup sizes: 30D, 30D1/2, 32D, 32D1/2, 34D, 34D1/2, 36D, 38D, 40D, 42D, 44D, 46D, 48D
Your cart is empty
Have an account? Sign in to view your bag.
Returns & exchanges free for 60 days for all orders. Please try on the bra to ensure a good fit, making sure to leave the original tags attached. We only accept underwear in unworn condition, with original tags, in its unopened original polybag. Items marked final sale are not eligible for return or exchange. If something’s not right, we can help. Our Fit Experts are available via live chat, or email to answer any questions you might have.
Read more
Styles in AA-H, including half cups
Take our quiz to find your perfect fit
