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New Cotton Essentials are here
The most supportive or our unlined and non-padded bras [Hannah 36DD]
Styled here with our Cotton French Cut in Buff [Hannah 36DD]
[Giulia 34DD]
[Giulia 34DD]
Our power micromesh is surprisingly supportive [Paula 32C]
Adjustable hook and eye and strap sliders in the back [Paula 32C]
Power mesh is the right amount of sheer
  • Thumbnail image #1 of Sieve Demi Bra in Buff [Hannah 36DD]
  • Thumbnail image #2 of Sieve Demi Bra in Buff [Hannah 36DD]
  • Thumbnail image #3 of Sieve Demi Bra in Buff [Giulia 34DD]
  • Thumbnail image #4 of Sieve Demi Bra in Buff [Giulia 34DD]
  • Thumbnail image #5 of Sieve Demi Bra in Buff [Paula 32C]
  • Thumbnail image #6 of Sieve Demi Bra in Buff [Paula 32C]
  • Thumbnail image #7 of Sieve Demi Bra in Buff
Product photo #1 of Sieve Demi Bra in Buff [Hannah 36DD] Product photo #2 of Sieve Demi Bra in Buff [Hannah 36DD] Product photo #3 of Sieve Demi Bra in Buff [Giulia 34DD] Product photo #4 of Sieve Demi Bra in Buff [Giulia 34DD] Product photo #5 of Sieve Demi Bra in Buff [Paula 32C] Product photo #6 of Sieve Demi Bra in Buff [Paula 32C] Product photo #7 of Sieve Demi Bra in Buff

Sieve Demi Bra

Rated 4.7 out of 5
Based on 801 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

  • 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

Pair it with ->

Sieve String Thong in Buff Sieve String Thong in Buff (alternate view) Sieve String Thong in Buff $30
Silky Thong in Buff Silky Thong in Buff (alternate view) Silky Thong in Buff $30 +
Essaouira Thong in Buff Essaouira Thong in Buff (alternate view) Essaouira Thong in Buff $30 +
Whipped Boy Short in Buff Whipped Boy Short in Buff (alternate view) Whipped Boy Short in Buff $45 +
Write a Review
average rating 4.7 out of 5
Based on 801 reviews
  • 5 Stars
    656 Reviews
  • 4 Stars
    99 Reviews
  • 3 Stars
    26 Reviews
  • 2 Stars
    8 Reviews
  • 1 Star
    12 Reviews
95% of reviewers would recommend this product to a friend
Overall
Rated 0 on a scale of minus 2 to 2, where minus 2 is Hated it, 0 is Meh and 2 is Loved it
Quality
Rated 4 out of 5
Comfort
Rated 4 out of 5
801 Reviews
Reviewed by Caroline H.
Verified Buyer
Review posted
Sieve Demi Bra in Peach
Reviewing
Sieve Demi Bra in Peach
I recommend this product
Rated 5 out of 5
Size Purchased
36B
How it Fits
True to Size
Age Range
55 - 64

Love it

Comfortable and material supportive

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Overall
Rated 2 on a scale of minus 2 to 2, where minus 2 is Hated it, 0 is Meh and 2 is Loved it
Quality
Rated 5 out of 5
Comfort
Rated 5 out of 5
Was this helpful?
Reviewed by Juliette B.
Verified Buyer
Review posted
Sieve Demi Bra in Slate
Reviewing
Sieve Demi Bra in Slate
Rated 3 out of 5
Size Purchased
34DD
How it Fits
True to Size
Age Range
45 - 54

Really like this bra

I really like this bra. The underwire was pulling and bending on the side. I will try to size down to see if that helps.

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Overall
Rated 1 on a scale of minus 2 to 2, where minus 2 is Hated it, 0 is Meh and 2 is Loved it
Quality
Rated 4 out of 5
Comfort
Rated 3 out of 5
Was this helpful?
Reviewed by Alexandra B.
Verified Buyer
Review posted
Sieve Demi Bra in Buff
Reviewing
Sieve Demi Bra in Buff
I recommend this product
Rated 5 out of 5
Size Purchased
34DD
How it Fits
True to Size
Age Range
25 - 34

My favorite bra

Fits so well, feels so supportive

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Overall
Rated 2 on a scale of minus 2 to 2, where minus 2 is Hated it, 0 is Meh and 2 is Loved it
Quality
Rated 4 out of 5
Comfort
Rated 5 out of 5
Was this helpful?
Detail view of Sieve Demi Bra in Buff for sizer

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