The Best Bras for 40D
A 40D is stocked almost everywhere: 44 of our 49 charted brands cut it, which moves the question from availability to judgment. Start with the picks below, then use the full computed table to compare how every brand labels and positions your size, and choose by construction for a fuller band carrying real volume.
40D in every system
Cup letters diverge above D, so the letter changes even though the bra does not. Convert by position, and match the printed tag in the table below.
Strong first tries at 40D
These are chosen by rule, not payment: your size sits inside each chart, away from its edges. The complete computed list follows.
The complete list: who makes 40D
| Brand | System | Their label for it | Range position | Interactive chart |
|---|---|---|---|---|
| Aerie | US | 40D | well in range | chart → |
| Amoena | EU | 90D | well in range | chart → |
| Anita | EU | 90D | well in range | chart → |
| Bali | US | 40D | well in range | chart → |
| Bendon | AU | 18D | well in range | chart → |
| Berlei | AU | 18D | well in range | chart → |
| Bras N Things | AU | 18D | well in range | chart → |
| Cacique | US | 40D | well in range | chart → |
| Chantelle | FR | 105D | well in range | chart → |
| Cuup | US | 40D | well in range | chart → |
| Empreinte | FR | 105D | well in range | chart → |
| Harper Wilde | US | 40D | well in range | chart → |
| Hunkemöller | EU | 90D | well in range | chart → |
| Knix | US | 40D | well in range | chart → |
| Le Mystère | US | 40D | well in range | chart → |
| M&S | UK | 40D | well in range | chart → |
| Maidenform | US | 40D | well in range | chart → |
| Marie Jo | EU | 90D | well in range | chart → |
| Playtex 18 Hour | US | 40D | well in range | chart → |
| Pour Moi | UK | 40D | well in range | chart → |
| PrimaDonna | EU | 90D | well in range | chart → |
| Savage X Fenty | US | 40D | well in range | chart → |
| Skims | US | 40D | well in range | chart → |
| Soma | US | 40D | well in range | chart → |
| ThirdLove | US | 40D | well in range | chart → |
| Triumph | EU | 90D | well in range | chart → |
| Victoria’s Secret | US | 40D | well in range | chart → |
| Wacoal | US | 40D | well in range | chart → |
| Warner’s | US | 40D | well in range | chart → |
| Auden (Target) | US | 40D | at chart edge | chart → |
| Boux Avenue | UK | 40D | at chart edge | chart → |
| Bravissimo | UK | 40D | at chart edge | chart → |
| Curvy Kate | UK | 40D | at chart edge | chart → |
| Etam | FR | 105D | at chart edge | chart → |
| Fantasie | UK | 40D | at chart edge | chart → |
| Freya | UK | 40D | at chart edge | chart → |
| Gossard | UK | 40D | at chart edge | chart → |
| Lise Charmel | FR | 105D | at chart edge | chart → |
| Natori | US | 40D | at chart edge | chart → |
| Panache | UK | 40D | at chart edge | chart → |
| Shock Absorber | UK | 40D | at chart edge | chart → |
| Simone Pérèle | FR | 105D | at chart edge | chart → |
| Triumph Japan | EU | 90D | at chart edge | chart → |
| Wacoal Japan | EU | 90D | at chart edge | chart → |
Of the 44: 29 carry 40D well inside their chart, 15 at its edge. Well in range means the size sits inside the brand's chart, cut from a block graded around it. At chart edge means it is the first or last size they make, which is real but drafted at the limit of their grading. Your measured size guide: the universal 40D page.
Is 40D actually your size?
Same published math as the calculator: snug measure, no added inches.
How to choose at 40D
40D needs the same engineering as full-bust sizes plus band architecture: wider elastics, more hook columns and side boning stop a long band from folding under load.
Prioritize ranges built for the band, not stretched to reach it. Three-column closures, wide cushioned straps and side-support seams are the tells of a range drafted for this size rather than graded up to it.
Front-close and longline styles solve real problems at this size: easier dressing and a band that cannot ride because it covers more torso.
Watch for: A band that folds or rolls at this size is an architecture problem, not a tightness problem. The construction notes on each brand page flag which ranges build for it.
Constructions that work for a fuller band carrying real volume
Each guide explains the construction, who it flatters and its honest trade-offs.
Sister sizes for 40D
A sister size keeps identical cup volume on a different band. If the 40D band rides up or digs in while the cup fits, the sister is the fix.
40D bras, answered
Which brands make a 40D bra?
Of the 49 brands whose published size charts we track, 44 cut a 40D. The strongest first tries: Amoena, Anita, Bali, Bendon. The full table on this page lists every one in the brand's own notation, converted by chart position.
What is 40D in other sizing systems?
US: 40D. UK: 40D. EU / DE: 90D. FR / ES: 105D. AU / NZ: 18D. IT: 6ªD. JP: E90. Letters diverge above D, so always convert by position, not by letter.
What styles work best for 40D?
For a fuller band carrying real volume: Side-support and full cup, Front-close, Longline, Minimizer, High-impact sports. A band that folds or rolls at this size is an architecture problem, not a tightness problem. The construction notes on each brand page flag which ranges build for it.
Multi-brand retailers with deep size ranges
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HauteFlair labels cups in UK letters, so these links already convert your size by position (a US DDD lands on a UK E, a US G on a UK F). HauteFlair is owned by the same company as Brasize.ai; that relationship never changes the sizing math, charts, or fit advice on this page. How this site makes money.
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