Returns & exchanges free for 60 days for all U.S. 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 moreWomen's 42B Bras
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Shop 42B Bras
Having smaller busts doesn't mean you need to settle for uncomfortable bras that only look good on the rack. You want them to look and feel good on your body. We get it. You don’t want an overfilled bra with tons of bulk. You want one that holds your boobs just right and lifts them naturally without digging in or straps that slip. The best 42B bras will not only be extremely comfortable but fit you perfectly to stop gaping cups while enhancing the beauty of your natural shape.
42B Bra Styles at ThirdLove
If you are a 42B and on a hunt for a bra that makes you feel comfortable and confident in your skin, ThirdLove's splendid selection will cater to your every desire.
Among our top picks, we have the 24/7® Classic T-Shirt Bra, an undisputed fan favorite. The bra stays invisible under your garments with sublime smoothing.
For the days you crave a lighter embrace, the 24/7® Second Skin Unlined Bra is your go-to choice—delight in its airy touch, perfect for accentuating your natural curve.
Do you want extra oomph? Enter the 24/7® Classic Uplift Plunge. Its removable pads give you the power to customize your cleavage and spice things up.
For strapless elegance, the 24/7® Classic Strapless Bra will stay in place and support you all day and night.
How Should a 42B Bra Style Fit?
A proper fit is the key to a comfortable bra experience. Your 42B bra should offer ample support while hugging your curves without gapping or pinching. The band should sit comfortably on your ribcage, and the strap should stay on your shoulders without digging in or slipping off.
Finding the Best 42B Bra
When shopping for the best 42B bra, consider your preferences. But whether you are a fan of the quintessential elegance of the 24/7® Classic T-Shirt Bra, crave the airy comfort of the 24/7® Second Skin Unlined Bra, or the carefree charm of the 24/7® Classic Strapless Bra, your comfort journey begins at ThirdLove.
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 find your perfect fitting bra and say goodbye to gaping cups for good.
Explore all B cup sizes: 30B, 32B, 32B 1/2, 34B, 34B1/2, 36B, 36B1/2, 38B, 38B1/2, 40B, 42B, 44B, 46B