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Our signature plush elastic underband hugs and never digs
A bra as comfortable as your favorite denim? No kidding.
Anastasia, shown here, is wearing size 34B
Sieve Demi Bra in Slate
Sieve Demi Bra in Slate
  • Our signature plush elastic underband hugs and never digs
  • A bra as comfortable as your favorite denim? No kidding.
  • Anastasia, shown here, is wearing size 34B
  • Sieve Demi Bra in Slate
  • Sieve Demi Bra in Slate
Sieve Demi Bra in Slate Sieve Demi Bra in Slate Sieve Demi Bra in Slate Sieve Demi Bra in Slate Sieve Demi Bra in Slate

Sieve Demi Bra

Rated 4.6 out of 5
196 Reviews
None of the padding. All the support.
Airy light and surprisingly strong — it's not impossible, we made it.

Free shipping over $75. Easy Returns.

Fit

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

Fabric + Care

  • 74% Polyamide (Nylon) 26% Elastane (Spandex)
  • Steely blue-grey tone
  • Hand wash in cold water, dry flat

FAQ

  • All unworn items, with tags attached and in their original packaging are eligible for return or exchange within 21 days of placing your order.
  • 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
Write a Review
average rating 4.6 out of 5
Based on 196 reviews
  • 5 Stars
    150 Reviews
  • 4 Stars
    30 Reviews
  • 3 Stars
    8 Reviews
  • 2 Stars
    2 Reviews
  • 1 Star
    6 Reviews
93% of reviewers would recommend this product to a friend
Overall
Rated -1 on a scale of minus 2 to 2, where minus 2 is Loved it, 0 is Meh and 2 is Hated it
Quality
Rated 4 out of 5
Comfort
Rated 4 out of 5
196 Reviews
Reviewed by Willa G.
Verified Buyer
Sieve Demi Bra in Slate
Reviewing
Sieve Demi Bra in Slate
I recommend this product
Size Purchased
32DDD
How it Fits
A Little Big
Age
18 - 24
Bra Size
32DDD/F
Rated 4 out of 5
Review posted

This bra is *hot*

I love this bra! But I think I may have gotten the wrong size, which I seem to always realize too late. I'm usually consistently a 32DDD, but I wish I'd gone down a cup size, since the bra comes up a bit high into my armpit & doesn't lie quite as smoothly as I'd like. Overall good quality & lovely material/color though. I will be ordering again! (a 32DD).

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

Best bra

This style of bra is so comfortable. You don’t even feel the wire. It gives a really nice shape. It’s really flattering. The slate color and mesh fabric add a unique, cool factor.

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Overall
Rated -2 on a scale of minus 2 to 2, where minus 2 is Loved it, 0 is Meh and 2 is Hated it
Quality
Rated 5 out of 5
Comfort
Rated 5 out of 5
Was this helpful?
Reviewed by Gina M.
Verified Buyer
Sieve Demi Bra in Black
Reviewing
Sieve Demi Bra in Black
I recommend this product
Size Purchased
38B
How it Fits
True to Size
Age
45 - 54
Bra Size
38B
Rated 5 out of 5
Review posted

Very Comfortable

Was a surprise gift that I received as its not something I would typically go with. I was not expecting it to be so comfortable and definitely plan on buying additional ones in other colors.

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Overall
Rated -2 on a scale of minus 2 to 2, where minus 2 is Loved it, 0 is Meh and 2 is Hated it
Quality
Rated 1 out of 5
Comfort
Rated 1 out of 5
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