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[Ksenia 1]
[Ksenia 1]
[Ksenia 1]
Sieve Non-Wire Bra in Black
[Hannah 3+]
[Hannah 3+]
Sieve Non-Wire Bra in Black
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Sieve Non-Wire Bra

Rated 4.6 out of 5
Based on 2627 reviews

Our best selling bra for a reason.


Great shape and surprising support - no pad or wire included.
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Free shipping over $100. Easy Returns.

Fit

  • Size Chart
  • Use this as a guide. Preference is a huge factor — the benefit of a non-wire is they're super flexible, so you will likely fit in more than one size. Like a looser band? Size up! Like less coverage? Size down! Still unsure? Try two sizes :)
  • *Note, our Sieve Non-Wire doesn't have the same wide band as our Silky. As a result, it'll likely feel snug the first few wears. Don't fret — it'll stretch a bit with time.

Fabric + Care

  • Size Chart
  • Made from a sheer Belgian power micromesh — nipples are visible
  • 74% Polyamide (Nylon) 26% Elastane (Spandex)
  • Hand wash in cold water, dry flat 

FAQ

  • Price slashed, Annual Sale items with a red SALE tag are final sale. Full priced items and packs purchased with the 15% off discount are eligible for refund, credit or exchange. 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

Buy the set ->

Sieve Non-Wire Bra in Black Sieve Non-Wire Bra in Black (alternate view)
Sieve Non-Wire Bra in Black
Sieve Thong in Black Sieve Thong in Black (alternate view)
Sieve Thong in Black
Write a Review
average rating 4.6 out of 5
Based on 2627 reviews
  • 5 Stars
    2008 Reviews
  • 4 Stars
    288 Reviews
  • 3 Stars
    171 Reviews
  • 2 Stars
    97 Reviews
  • 1 Star
    63 Reviews
90% of reviewers would recommend this product to a friend
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 4 out of 5
2627 Reviews
Reviewed by Shannon E.
Verified Buyer
Review posted
Sieve Non-Wire Bra in Black and in Buff (2 Pack)
Reviewing
Sieve Non-Wire Bra in Black and in Buff (2 Pack)
I recommend this product
Rated 5 out of 5
Size Purchased
1
How it Fits
True to Size
Age Range
35 - 44
Bra Size
34B

Best Bralette on the Market

I’ve tried bralettes from nearly all of the top brands, and this one outperforms… by a landslide. The sizing is accurate, it’s super comfortable, and it looks great with form-fitting tops. It doesn’t get much better than that.

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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 Elizabeth P.
Verified Buyer
Review posted
Sieve Non-Wire Bra in Black
Reviewing
Sieve Non-Wire Bra in Black
I don't recommend this product
Rated 2 out of 5
Size Purchased
1
How it Fits
Runs Small
Age Range
25 - 34
Bra Size
34B

Bralette too tight

I followed the sizing chart but ended up with a bra that was too tight. Order up!

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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 2 out of 5
Was this helpful?
Reviewed by Jessica C.
Verified Buyer
Review posted
Sieve Non-Wire Bra in Haze
Reviewing
Sieve Non-Wire Bra in Haze
I recommend this product
Rated 5 out of 5
Size Purchased
3
How it Fits
A Little Small
Age Range
45 - 54
Bra Size
36C

amazing!

Feels so light and airy! I love it

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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?

Non-Wire Bra Sizing

Non-Wire Bra Sizing Size Chart

* Non-wire bra sizing can vary by preference and if you're toward the top of a size range and prefer more coverage, you may want to size up. For styles available in + sizes (designed with additional support details for our larger cup customers), we find DD's can be on the cusp - if you prefer more coverage and support, we suggest the + bra equivalent for your band size.

Btw, the size nomenclature has changed for Bra Tops. Here's the conversion:
XS=0, S=1, M=2, L=3, XL=4, XXL=5

Q’s about sizing or fit? Email us at hello@negativeunderwear.com

@negativeunderwear