Shop size 12B bras at Kayser with styles available across smooth T-shirt styles, lacy options, wirefree bras, balconettes, plunge styles and matching sets. The 12B size suits a wide range of bra shapes, from lightly padded everyday styles to more structured underwire options.
Best-selling 12B styles include the Alive T-shirt bra in smooth microfibre, the Very Smooth One Piece Bra for a seamless finish under fitted clothing and lacy Brazilian and After Dark styles for special occasions. Padded and non-padded options are both available in 12B across the full Kayser collection.
Getting the fit right in a 12B comes down to the band. It should sit parallel to the floor and feel firmly supportive without digging in. Straps should sit comfortably on the shoulders without slipping. If the band feels too tight, try 14A for the same cup volume on a longer band.
Browse 12B bras alongside the B cup collection and size 12 lingerie. Free AU delivery on orders over $75.
