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[Morgan 2]
[Morgan 2]
[Morgan 2]
Sieve Triangle Bra in Buff + Black
[Ksenia 1]
[Ksenia 1]
flat
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Buy more, save money
[Morgan 2]
[Morgan 2]
[Morgan 2]
Sieve Triangle Bra in Buff + Black
[Ksenia 1]
[Ksenia 1]

Sieve Triangle Bra

4.5
Rated 4.5 out of 5 stars
2,080 Reviews

Surprising support. Deep v neckline.


Our signature Sieve mesh in a lower coverage triangle cut. Great shape - no pad or wire included. Create a custom 2 Pack ->
BlackBuffSlateBuff + WhitePeachWhiteNavyBuff + BlackCherryCoralCoral + WhiteHazeMoonNEWWhite Boa

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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.
  • Triangle cut has lower coverage in both the cups and the sides.

Fabric + Care

  • Size Chart
  • Made from a sheer Belgian power micromesh — nipples are visible
  • A caramel-y sunrise desert sands affogato tone with contrast Black trim
  • 74% Polyamide (Nylon) 26% Elastane (Spandex)
  • Wireless
  • 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

Looks good with ->

Sieve Thong in Buff + Black Sieve Thong in Buff + Black (alternate view) Sieve Thong in Buff + Black $32 +
Sieve High-Waist Brief in Buff + Black Sieve High-Waist Brief in Buff + Black (alternate view) Sieve High-Waist Brief in Buff + Black $45 +
Sale
Silky Thong in Buff + Black Silky Thong in Buff + Black (alternate view) Silky Thong in Buff + Black $30 $20
Whipped High Rise in Buff + Black Whipped High Rise in Buff + Black (alternate view) Whipped High Rise in Buff + Black $45 +
4.5
Rated 4.5 out of 5 stars
Based on 2,080 reviews
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2,080 reviews
  • kelli w.
    Verified Buyer
    Size Purchased 4
    How it Fits A Little Small
    Age Range 35 - 44
    Bra Size 36B
    3 minutes ago
    Size Purchased 4
    How it Fits A Little Small
    Age Range 35 - 44
    Bra Size 36B
    Sieve Triangle Bra in Navy
    Reviewing
    Sieve Triangle Bra in Navy
    Rated 5 out of 5 stars
    Comfort

    My favorite Negative bra. The deep V is functional with all tops and doesn’t compromise support.

    Was this helpful?
  • Tammy A.
    Verified Buyer
    Size Purchased 5
    How it Fits True to Size
    Age Range 35 - 44
    Bra Size Other
    11 hours ago
    Size Purchased 5
    How it Fits True to Size
    Age Range 35 - 44
    Bra Size Other
    Sieve Triangle Bra in Navy
    Reviewing
    Sieve Triangle Bra in Navy
    Rated 5 out of 5 stars
    Triangle

    The shape and fit are perfect!

    Was this helpful?
  • Lauren M.
    Verified Buyer
    Size Purchased 3
    How it Fits True to Size
    Age Range 18 - 24
    Bra Size 36D
    19 hours ago
    Size Purchased 3
    How it Fits True to Size
    Age Range 18 - 24
    Bra Size 36D
    Sieve Triangle Bra in Buff + White
    Reviewing
    Sieve Triangle Bra in Buff + White
    Rated 5 out of 5 stars
    Buy in other colors

    I love this. I wear a 36D bra and my boobs still look perky and awesome in this

    Was this helpful?
  • linda c.
    Verified Buyer
    Size Purchased 5
    How it Fits True to Size
    Age Range 65+
    Bra Size 40B
    20 hours ago
    Size Purchased 5
    How it Fits True to Size
    Age Range 65+
    Bra Size 40B
    Sieve Triangle Bra in Slate
    Reviewing
    Sieve Triangle Bra in Slate
    Rated 5 out of 5 stars
    Sieve triangle bra

    I love the color and the comfort.

    Was this helpful?
  • Vanessa B.
    Verified Buyer
    Size Purchased 5
    How it Fits True to Size
    Age Range 45 - 54
    Bra Size 38C
    Yesterday
    Size Purchased 5
    How it Fits True to Size
    Age Range 45 - 54
    Bra Size 38C
    Sieve Triangle Bra in Navy
    Reviewing
    Sieve Triangle Bra in Navy
    Rated 5 out of 5 stars
    Comfort

    Airy, comfort and style

    Was this helpful?
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Detail view of Sieve Triangle Bra in Buff + Black for sizer

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