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16DD

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Front view of Triaction Wellness wire-free bra in Neutral Beige, showing soft contoured fit for gentle support.
 
Front view of Triaction Wellness wire-free bra in Neutral Beige, showing soft contoured fit for gentle support.
Back view of the Triaction Wellness bra Neutral Beige, featuring mesh-lined cups and adjustable straps.
Model in Back Appeal T-Shirt Bra Black – supportive dot jacquard fabric and smoothing design – The Foundation
 
Model in Back Appeal T-Shirt Bra Black – supportive dot jacquard fabric and smoothing design – The Foundation
Back Appeal Soft Cup T-Shirt Bra Black
Front view of Triumph’s Black T-Shirt Bra with underwire support and smooth finish—exclusive at The Foundation.
 
Front view of Triumph’s Black T-Shirt Bra with underwire support and smooth finish—exclusive at The Foundation.
Side view of the Gorgeous T-Shirt Bra in Black by Triumph, showing lightly padded contour cups—shop now at The Foundation.
Front view of Triumph Triaction Wellness Bra in White, wire-free with mesh cups and wide straps—available at The Foundation.
 
Front view of Triumph Triaction Wellness Bra in White, wire-free with mesh cups and wide straps—available at The Foundation.
Back view of the Triaction Wellness Bra by Triumph in White with adjustable straps and active fit—shop at The Foundation.
Model lounging in Wacoal Halo Lace Moulded Bra in Nude, comfy, floral lace bra perfect for everyday support.
 
Model lounging in Wacoal Halo Lace Moulded Bra in Nude, comfy, floral lace bra perfect for everyday support.
Flat lay of Wacoal Halo Lace Nude Bra,  stretch lace moulded cup bra with supportive underwire.
Front view of Triumph Triaction Control Lite Black sports bra from The Foundation, showing comfortable minimiser fit and wide straps
 
Front view of Triumph Triaction Control Lite Black sports bra from The Foundation, showing comfortable minimiser fit and wide straps
Back view of Triaction Control Lite Black sports bra, highlighting Dynamic Light® fabric and supportive design
Front view of Triumph Endless Comfort Underwire Bra in Fresh Powder, featuring floral embroidery and wide padded straps—available at The Foundation.
 
Front view of Triumph Endless Comfort Underwire Bra in Fresh Powder, featuring floral embroidery and wide padded straps—available at The Foundation.
Side view of Triumph Endless Comfort Bra in soft Fresh Powder shade with multi-piece cup and underwire—shop now at The Foundation.
Front view of Halo Lace Moulded Underwire Bra in black lace—The Foundation
 
Front view of Halo Lace Moulded Underwire Bra in black lace—The Foundation
Model lounging in black floral lace bra and brief set—The Foundation
Model wearing Bamboo Grove Underwire Plunge Swimsuit Jet by Fantasie, available at The Foundation, showing bold tropical print and deep V neckline.
 
Model wearing Bamboo Grove Underwire Plunge Swimsuit Jet by Fantasie, available at The Foundation, showing bold tropical print and deep V neckline.
Front view of Bamboo Grove Underwire Plunge Swimsuit Jet by Fantasie, available at The Foundation, tropical one-piece with plunging neckline.
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Sexy Mesh Bra, Sexy bra for big cups. Teal Green sexy Bra. Plunge underwire bra, freya plunge bra for big boobs
 
Sexy Mesh Bra, Sexy bra for big cups. Teal Green sexy Bra. Plunge underwire bra, freya plunge bra for big boobs
Loveland UW Plunge Bra Bombshell Teal
Front view of Panache Allure Full Cup Bra Ivory, luxury lace bra for fuller busts, modelled.
 
Front view of Panache Allure Full Cup Bra Ivory, luxury lace bra for fuller busts, modelled.
Close up of Panache Allure Full Cup Bra Ivory, side view showing elegant floral lace and supportive fit.
Close up of Allure Full Cup Bra Black by Panache, floral stretch lace, gold ring detail, designed for fuller busts.
 
Close up of Allure Full Cup Bra Black by Panache, floral stretch lace, gold ring detail, designed for fuller busts.
Panache Allure Full Cup Bra Black, three-quarter view showing wired support, Latte coloured lining, and luxurious lace.
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Silhouette Island Underwire Monochrome Tankini
Silhouette Island Underwire Monochrome Tankini
Front view of model wearing Halo Lace Strapless Bra Nude, showcasing bandeau style and soft lace design
 
Front view of model wearing Halo Lace Strapless Bra Nude, showcasing bandeau style and soft lace design
Side view of Halo Lace Strapless Bra Nude on model, highlighting non-padded structure and convertible straps
Front view of Triumph Triaction Wellness Bra in Black, wire-free with mesh-lined cups—designed for low-intensity workouts at The Foundation.
 
Front view of Triumph Triaction Wellness Bra in Black, wire-free with mesh-lined cups—designed for low-intensity workouts at The Foundation.
Back view of Triaction Wellness Sports Bra by Triumph in Black, showing adjustable straps and full coverage—available at The Foundation.
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Front view of Triumph Gorgeous T-Shirt Bra in Teint with seamless padded cups—everyday essential at The Foundation.
 
Front view of Triumph Gorgeous T-Shirt Bra in Teint with seamless padded cups—everyday essential at The Foundation.
Back view of the Teint Gorgeous T-Shirt Bra by Triumph, showing soft hook-and-eye closure—shop at The Foundation.
Woman wearing Halo Lace Underwire Bra in ivory with floral lace detail—The Foundation
 
Woman wearing Halo Lace Underwire Bra in ivory with floral lace detail—The Foundation
Front view of ivory lace underwire bra showcasing supportive cups—The Foundation
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Allure Full Cup Bra Honey
Allure Full Cup Bra Honey
Model wearing Freya Loveland UW Plunge Bra in Deep Emerald, green mesh cups with metallic floral embroidery, low centre front.
 
Model wearing Freya Loveland UW Plunge Bra in Deep Emerald, green mesh cups with metallic floral embroidery, low centre front.
Flat lay of Freya Loveland Plunge Bra Deep Emerald, detailed mesh cups, metallic floral embroidery, gold gemstone charm at centre.
Front view of model wearing Halo Lace Strapless Bra Black, showcasing bandeau style and delicate lace texture
 
Front view of model wearing Halo Lace Strapless Bra Black, showcasing bandeau style and delicate lace texture
Halo Lace Strapless Bra - Non Padded by Wacoal
Front view of Triumph Endless Comfort Wirefree Bra in Fresh Powder with soft full cups and wide straps—available now at The Foundation.
 
Front view of Triumph Endless Comfort Wirefree Bra in Fresh Powder with soft full cups and wide straps—available now at The Foundation.
Side view of Endless Comfort Bra by Triumph in Fresh Powder showing smooth finish and wire-free structure—shop at The Foundation.
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Back Appeal Soft Cup T-Shirt Bra Rose Dust
Model wearing Wacoal Back Appeal Bra in Rose Dust – smoothing back design – The Foundation
Woman wearing a white lace bra and panties set indoors.
 
Woman wearing a white lace bra and panties set indoors.
Woman wearing a white lace lingerie set on a plain background
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Tiernie Underwire Plunge Bra Sahara
Tiernie Underwire Plunge Bra Sahara

Explore 16DD Bra Sizes at The Foundation

Understanding the 16DD Bra Size

The 16DD bra size is tailored for women with a 16 band size (equivalent to a 95 underbust measurement in cm) and a DD cup, which signifies a fuller bust relative to the band. It offers the perfect balance for those who need ample support without compromising comfort or style. Whether you're after everyday comfort or something special from our new arrivals, we've curated our collection to suit your shape and lifestyle. Fine Lines Lingerie also features styles in this size.

International Bra Size Conversion Table

Region Size Equivalent
Australia / NZ 16DD
UK 38DD
US 38DD/E
EU 85E
France / Spain 100E

How to Measure Your Bra Size

To find your correct bra size, use a soft tape measure and follow these steps:

  • Band Size: Wrap the tape snugly around your ribcage, just under your bust. Round to the nearest whole number. This is your band size.
  • Bust Measurement: Measure around the fullest part of your bust. The difference between this and your band size determines your cup size.

Refer to our size chart and customer service team for personalised help. We also offer virtual bra fitting services and in-store bra fittings.

What are Sister Sizes?

Sister sizes give you flexible fit options. For 16DD, consider:

  • 14E – Slightly tighter band, same cup volume
  • 18D – Slightly looser band, same cup volume

Also explore options in Size 16D / 38D and Size 16D to find your best match. These variations adjust the body size or bra band sizes without changing the cup volume.

Recommended Bra Styles for 16DD

For fuller bust support, these styles work beautifully in the 16DD size range:

  • Lightly Padded: Smooths shape, adds lift without bulk.
  • Wireless: Comfort-focused with moderate support.
  • Seamless: A go-to under snug tops for a clean look.

Browse our fuller bust lingerie range and discover hero pieces like the Ultimate Run Bra - Padded or Active D+ Classic.

Shop 16DD from Trusted Brands

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Ready to Find Your Perfect Fit?

Explore expertly fitted bras in Australian sizing designed for real bodies. Whether in-store or online, our customer service team and fitting experts are here to help.

Shop Now and rediscover what comfort and confidence feel like.

FAQs

What does 16DD mean in bra sizes?

It represents an Australian sizing with a 95cm underbust measurement and DD cup size. Use our bra size conversion chart to compare internationally.

Do you offer bra fittings?

Yes! Visit any of our stores for a one-on-one fitting, or book a virtual session online.

What is a fitting matrix?

It’s a visual guide to help match under bust and over bust measurements to the correct bra size.

Are your sizes based on Australian size systems?

Absolutely. All our products follow Australian sizing and we include international size equivalents for comparison.

How can I return or exchange a bra?

Please see our returns policy for eligibility and details.