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[Ksenia 1]
[Ksenia 1]
Sieve Non-Wire Bra in Black
[Ksenia 1]
[Vitoria 3+]
[Vitoria 3+]
[Vitoria 3+]
Sieve Non-Wire Bra in Black
flat
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Buy more, save money
[Ksenia 1]
[Ksenia 1]
Sieve Non-Wire Bra in Black
[Ksenia 1]
[Vitoria 3+]
[Vitoria 3+]
[Vitoria 3+]
Sieve Non-Wire Bra in Black

Sieve Non-Wire Bra

4.6
Rated 4.6 out of 5 stars
4,435 Reviews

Our best selling bra for a reason.


The most supportive of our wireless bras. Great shape, naturally smoothing, airy light and sexy sheer — Belgian micromesh might just be magic. Create a custom 2 Pack ->
BlackBuffBuff + WhiteGraphiteNavyPeachSlateWhiteBuff + BlackCherryCoralNEWGlacierWhite Boa

Buy more, save $

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

Fit

  • Size Chart
  • Use this as a guide. Preference is a huge factor — if you’re near the top of a size range and/or prefer more coverage, you may want to size up.

Fabric + Care

  • Size Chart
  • Made from a sheer Belgian power micromesh — nipples are visible
  • 74% Polyamide (Nylon) 26% Elastane (Spandex)
  • Wireless
  • 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

Looks good with ->

Sieve String Thong in Black Sieve String Thong in Black (alternate view) Sieve String Thong in Black $30
Cotton French Cut Brief in Black (Pack) Cotton French Cut Brief in Black (Pack) (alternate view) Cotton French Cut Brief in Black (Pack) $58 +
Whipped Boy Short in Black Whipped Boy Short in Black (alternate view) Whipped Boy Short in Black $45 +
Sieve High-Waist Brief in Black Sieve High-Waist Brief in Black (alternate view) Sieve High-Waist Brief in Black $45 +
4.6
Rated 4.6 out of 5 stars
Based on 4,435 reviews
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4,435 reviews
  • Emily S.
    Verified Buyer
    Size Purchased 3
    How it Fits True to Size
    Age Range 55 - 64
    Bra Size 36B
    4 minutes ago
    Size Purchased 3
    How it Fits True to Size
    Age Range 55 - 64
    Bra Size 36B
    Sieve Non-Wire Bra in Glacier
    Reviewing
    Sieve Non-Wire Bra in Glacier
    Rated 5 out of 5 stars
    Best bra ever.

    This bra is so comfortable, no wire, thin mesh fabric and somehow light support. I’ll be buying more.

    Was this helpful?
  • Sally E.
    Verified Buyer
    Size Purchased 2
    How it Fits True to Size
    Age Range 65+
    Bra Size 36B
    7 hours ago
    Size Purchased 2
    How it Fits True to Size
    Age Range 65+
    Bra Size 36B
    Sieve Non-Wire Bra in Buff
    Reviewing
    Sieve Non-Wire Bra in Buff
    Rated 5 out of 5 stars
    review

    Incredible. I am finally pain free from having an under wire riding up & cutting me which was most uncomfortable

    Was this helpful?
  • Mel K.
    Verified Buyer
    Size Purchased 2
    How it Fits True to Size
    Age Range 35 - 44
    Bra Size 32C
    10 hours ago
    Size Purchased 2
    How it Fits True to Size
    Age Range 35 - 44
    Bra Size 32C
    Sieve Non-Wire Bra in Black
    Reviewing
    Sieve Non-Wire Bra in Black
    Rated 5 out of 5 stars
    Love

    Great fit, v flattering and comfy

    Was this helpful?
  • Blanca R.
    Verified Buyer
    Size Purchased 5
    How it Fits A Little Big
    Age Range 55 - 64
    Bra Size 38DD/E
    21 hours ago
    Size Purchased 5
    How it Fits A Little Big
    Age Range 55 - 64
    Bra Size 38DD/E
    Sieve Non-Wire Bra in Buff
    Reviewing
    Sieve Non-Wire Bra in Buff
    Rated 5 out of 5 stars
    Sieve non wire bra

    Comfortable fabric 💕

    Was this helpful?
  • Ewa
    Size Purchased 4
    How it Fits True to Size
    Age Range 18 - 24
    Bra Size 38C
    Yesterday
    Size Purchased 4
    How it Fits True to Size
    Age Range 18 - 24
    Bra Size 38C
    Sieve Non-Wire Bra in Black
    Reviewing
    Sieve Non-Wire Bra in Black
    Rated 5 out of 5 stars
    Love them

    Finally a bra that doesn’t make me wanna scream. I personally hate wearing bras in general and after gaining weight in my bust over the years I’ve never been able to find a bra that was comfortable/ fit well/ looks good. This is the ONLY one I’ve found that fits everything. I need more!!

    Was this helpful?
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Detail view of Sieve Non-Wire Bra in Black for sizer

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