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Size 40JJ Bras

A 40 band with JJ cup is the deepest fuller-bust size on the widest band we carry, offering maximum stability and comfort. The 40 band's width offers excellent support, so you can focus on cup engineering and construction. Look for bras with high-gauge wires, multi-seamed cups for lift and projection, and band construction that won't migrate. At this size, you need construction designed specifically for JJ depth.

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Panache Sculptresse Estel Full Cup Bra 9685 Honey Front
Panache Sculptresse Estel Full Cup Bra 9685 Navy Front
Panache Sculptresse Estel Full Cup Bra 9685 Raspberry Front
Panache Sculptresse Dream Full Cup Bra 10805 Black Front
Panache Sculptresse Estel Full Cup Bra 9685 Royal Blue Front
Elomi Matilda UW Plunge Bra EL8900 Cafe Au Lait Front
Elomi Charley UW Stretch Plunge Bra EL4382 Ballet Pink Front
Elomi Matilda UW Plunge Bra EL8900 Black Front
Panache Serene Full Cup Underwire Bra 10305 Aubergine Front
Panache Radiance Full Coverage Bra 10465 Ash Rose Front
Panache Envy Full Cup Bra 7285 Sky Blue Front
Panache Sculptresse Estel Full Cup Bra 9685 Coral Front
Panache Envy Full Cup Bra 7285A Indigo Front
Elomi Teagan Padded Half Cup Bra EL302615 Black/Almond Front
Elomi Cate Underwire Full Cup Banded Bra EL4030 Black Front
Panache Envy Full Cup Bra 7285 Sand Black Front
Elomi Matilda UW Plunge Bra EL8900 Pearl Blush Front
Panache Sculptresse Sophia Full Cup Bra 11195 Teal Blue Front
Panache Sculptresse Estel Full Cup Bra 9685 - Sage
Panache Sculptresse Dream Full Cup Bra 10805 Rose Pink Front
Goddess Keira Banded Underwire Bra GD6090 - Black
Panache Tango Balconnet 3251 Navy Front
Elomi Cate Underwire Full Cup Banded Bra EL4030 Pecan Front
Badge - New
Panache Sculptress Amara Full Cup Bra 11265 Honey Front
Save $17.50Elomi Matilda UW Plunge Bra EL8900 Wine Diamond Front

Size 40JJ Bras Sized to Actually Fit

A 40 band with JJ cup depth demands bras engineered specifically for that cup volume and height on the widest band we carry. The 40 band's width offers exceptional all-day comfort and stability, which means you can focus on finding the right cup structure. The cups need multiple seams per side (typically three or four) to provide both lift and projection without spillage. Wire gauge matters significantly here; undersized wires will flex under load and fail to support the cup weight. Look for reinforced side seaming from underwire to apex, deep cups with proper projection, and band construction that measures true to size. Strap placement is critical because it directly affects how the cups sit and how weight distributes across your shoulders. The wider band reduces shoulder strain significantly, which is especially important at JJ cup volume. Full-cup and minimizer designs built specifically for this depth work much better than balconettes or half cups.

Fuller Bust Bras, Curated by Fit Experts

At The Bra Diva, we carry bras by actual bra size, not just by small, medium, or large. Every style in this collection is selected for its construction quality, true-to-size fit, and all-day wearability. Our team has been fitting customers since 1987 at our Cherry Hill, NJ boutique, and we bring that same expertise to every size we carry online.

Explore bras in similar sizes: 40HH | 40K | 38JJ

Also available in swimwear: Size 40JJ Swimwear

Not sure if 40JJ is your correct size? Use our bra size chart →