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[Adelina 32B]
[Adelina 32B]
[Adelina 32B]
[Hannah 36DD]
[Hannah 36DD]
Power mesh is the right amount of sheer
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[Adelina 32B]
[Adelina 32B]
[Adelina 32B]
[Hannah 36DD]
[Hannah 36DD]
Power mesh is the right amount of sheer

Sieve Demi Bra in Buff

4.7
Rated 4.7 out of 5 stars
1,136 Reviews

None of the padding. All the support.


Airy light and surprisingly strong — it’s not impossible, we made it.

We’d love to know what size you want us to make next - email us so we can add your info to our list!

Free U.S. shipping on orders over $100. Easy returns.

Fit

  • Made from a sheer Belgian power micromesh — nipples are visible
  • Underwire bra with max comfort
  • Velvety plush elastic underband
  • Heat transferred care label = no itchy tags

Fabric + Care

  • Sheer Belgian power micromesh is surprisingly supportive
  • Unpadded and unlined — nipples can show depending on the person or the shirt
  • 74% Polyamide (Nylon) 26% Elastane (Spandex)
  • A caramel-y sunrise affogato desert sands tone
  • Hand wash in cold water, dry flat

FAQ

  • Price-slashed, Annual Sale items with a red SALE tag are direct size exchange only (no refunds). Full-priced items purchased with the 20% off discount are eligible for refund, credit or exchange. Click here for more info on our Sale policies.
  • All full-priced, unworn items, with tags attached and in their original packaging are eligible for return or exchange within 30 days of placing your order.
  • Please note, packs must be returned in full. We do not accept partial returns of packs.
  • Want to know our full returns policies? Here you go.
  • Want more info about shipping, materials or care instructions? Here!

    Q’s on fit or sizing? Email us at hello@negativeunderwear.com
4.7
Rated 4.7 out of 5 stars
Based on 1,136 reviews
1,136 reviews
  • MaryLynn H.
    Verified Buyer
    Size Purchased 36C
    How it Fits True to Size
    Age Range 65+
    18 minutes ago
    Size Purchased 36C
    How it Fits True to Size
    Age Range 65+
    Sieve Demi Bra in Coral
    Reviewing
    Sieve Demi Bra in Coral
    Rated 5 out of 5 stars
    Wired

    Haven’t worn underwires in several years but this one is great!

  • Barbara Anne B.
    Verified Buyer
    Size Purchased 32D
    How it Fits True to Size
    Age Range 45 - 54
    20 hours ago
    Size Purchased 32D
    How it Fits True to Size
    Age Range 45 - 54
    Sieve Demi Bra in Slate
    Reviewing
    Sieve Demi Bra in Slate
    Rated 5 out of 5 stars
    Love the color and support!

    This is my second Sieve demi bra and I'm obsessed! They feel great and are very supportive and best of all, no padding!!

  • Lynnae H.
    Verified Buyer
    Size Purchased 34DD
    How it Fits True to Size
    Age Range 45 - 54
    23 hours ago
    Size Purchased 34DD
    How it Fits True to Size
    Age Range 45 - 54
    Sieve Demi Bra in Peach
    Reviewing
    Sieve Demi Bra in Peach
    Rated 5 out of 5 stars
    Perfection

    Perfect coverage. The mesh fabric helps with a form fit. No una-boob.

    Will be my new go-to bra.

  • Grace W.
    Verified Buyer
    Size Purchased 36D
    How it Fits True to Size
    Age Range 25 - 34
    Yesterday
    Size Purchased 36D
    How it Fits True to Size
    Age Range 25 - 34
    Sieve Demi Bra in Black
    Reviewing
    Sieve Demi Bra in Black
    Rated 5 out of 5 stars
    awesome !!

    instagram made me buy it and i don’t regret it

  • Bev A.
    Verified Buyer
    Size Purchased 36B
    How it Fits A Little Big
    Age Range 55 - 64
    Yesterday
    Size Purchased 36B
    How it Fits A Little Big
    Age Range 55 - 64
    Sieve Demi Bra in Buff
    Reviewing
    Sieve Demi Bra in Buff
    Rated 3 out of 5 stars
    Not right for me

    The upper part of the cop was a little bit loose, so I exchanged it for another balconette. Customer Service is the bomb… So easy to work with!

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