The size of a bra always depends on two factors: the circumference of the body just below the breasts (called band size) and the circumference above the breasts, usually at the level of the nipples (called bust size).

DD cup breasts, or “double D,” are a step up from the D cup in both volume and visual impact. For women opting for DD cup implants, achieving this size usually involves selecting implants around 350 to 450 cc, though again, this may vary based on existing tissue and desired results.

Size DD and DDD. The breast measurement of a DD cup size is five times bigger than the band size. Meanwhile, a triple D bra is six inches larger than the band. DD cups can weigh about 2.15 pounds for each breast, whereas DDD can weigh 2.57 pounds each. A DD bra has an overbust measurement of 36.5 to 41.5 inches.

Shop Soma® for size DD & up women's bra styles, for bigger busts and plus sizes. Try full coverage, lace, unlined and more styles. Free returns on all full-priced bras!

Understanding that the band size plays a critical role in determining the actual breast volume associated with a DD cup is a game-changer. This knowledge empowers women to seek out bras that truly fit their unique bodies, rather than conforming to a misinformed standard.

Wacoal's collection of confidence-building DD+ bras are perfect for women of different shapes & sizes. Shop the best bras for size DD+ busts to find your next go-to style.

Our full figure swimsuits are designed for women with big busts wearing D cup size and up, featuring flattering styles and tummy control bikini bottoms. Need help finding your swimwear style or size? Visit our Swimwear Size Guide .

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Fits A to M cups. D Cup, DD Cup, DDD Cup +, flattering on all. Created with your boobs in mind, more room by the chest, not everywhere else!