Women's 40B Bras

ThirdLove offers a variety of women's 40B bra styles, each meticulously crafted to suit different occasions.
  • Size
  • Style
  • Color
  • Bra-Blem
  • Coverage
  • Collection
  • Fabric
  • 360° stretch knit
  • Selling Fast!
  • 360° stretch knit
  • 360° stretch knit
  • 360° stretch knit
  • Available in XS-3X
  • Available in XS-3X
  • Available in XS-3X
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Shop 40B 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 40B bras will not only be extremely comfortable but fit you perfectly to stop gaping cups while enhancing the beauty of your natural shape.