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Sieve Triangle Bra Custom 2-Pack
Sieve Triangle Bra Custom 2-Pack
Sieve Triangle Bra Custom 2-Pack
Sieve Triangle Bra Custom 2-Pack
Sieve Triangle Bra Custom 2-Pack
Sieve Triangle Bra Custom 2-Pack
Sieve Triangle Bra Custom 2-Pack
Sieve Triangle Bra Custom 2-Pack

Sieve Triangle Bra Custom 2-Pack in

Sieve Triangle Bra Custom 2-Pack

4.5
Rated 4.5 out of 5 stars
2,326 Reviews

Surprising support. Deep v neckline.

Our signature Sieve mesh in a lower coverage triangle cut. Great shape - no pad or wire included.
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Sieve Triangle Bra Custom 2-Pack
Sieve Triangle Bra Custom 2-Pack
Sieve Triangle Bra Custom 2-Pack
Sieve Triangle Bra Custom 2-Pack
Sieve Triangle Bra Custom 2-Pack
Sieve Triangle Bra Custom 2-Pack
Sieve Triangle Bra Custom 2-Pack
Sieve Triangle Bra Custom 2-Pack
Sieve Triangle Bra Custom 2-Pack
Sieve Triangle Bra Custom 2-Pack
Sieve Triangle Bra Custom 2-Pack
Sieve Triangle Bra Custom 2-Pack
Sieve Triangle Bra Custom 2-Pack
Sieve Triangle Bra Custom 2-Pack
Sieve Triangle Bra Custom 2-Pack
Sieve Triangle Bra Custom 2-Pack
Sieve Triangle Bra Custom 2-Pack
Sieve Triangle Bra Custom 2-Pack
Sieve Triangle Bra Custom 2-Pack
Sieve Triangle Bra Custom 2-Pack
Sieve Triangle Bra Custom 2-Pack
Sieve Triangle Bra Custom 2-Pack
Sieve Triangle Bra Custom 2-Pack
Sieve Triangle Bra Custom 2-Pack
Sieve Triangle Bra Custom 2-Pack
Sieve Triangle Bra Custom 2-Pack

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
  • 74% Polyamide (Nylon) 26% Elastane (Spandex)
  • Wireless
  • Hand wash in cold water, dry flat

FAQ

  • Price-slashed items are either exchange only or final sale. Any item marked as "exchange only" are eligible for direct size exchange only (aka no refunds). Items marked as "final sale" are not eligible for returns or exchanges.
  • 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
View full details
4.5
Rated 4.5 out of 5 stars
Based on 2,326 reviews
2,326 reviews
  • Ann C.
    Verified Buyer
    Size Purchased 3
    How it Fits True to Size
    Age Range 45 - 54
    Bra Size 36B
    1 hour ago
    Size Purchased 3
    How it Fits True to Size
    Age Range 45 - 54
    Bra Size 36B
    Sieve Triangle Bra in Buff + White
    Reviewing
    Sieve Triangle Bra in Buff + White
    Rated 5 out of 5 stars
    Perfection & Comfort

    As a 36 A/B girlie who usually wears comfy yoga bras- this is my new favorite! (I just reordered 3 more, that’s how much I love it) Perfect amount of coverage, just enough stretch and styling and color way is sexy without the frills of lace! You won’t be disappointed!

  • SEU
    Verified Buyer
    Size Purchased 2
    How it Fits True to Size
    Age Range 25 - 34
    Bra Size 34DD/E
    2 hours ago
    Size Purchased 2
    How it Fits True to Size
    Age Range 25 - 34
    Bra Size 34DD/E
    Sieve Triangle Bra in Cherry
    Reviewing
    Sieve Triangle Bra in Cherry
    Rated 5 out of 5 stars
    BEST BRA I OWN, PLEASE MAKE MORE COLORS

    I never write reviews but this one deserves it.

    Sieve triangle bra in both black and cherry get me through the week.

    I'm 34DD and wear a size 2. They're super supportive, just wish it came in more colors.

    PLEASE MAKE THIS IN WHITE AND MORE COLORFUL SHADES AS WELL.

  • Megan F.
    Verified Buyer
    6 hours ago
    Sieve Triangle Bra in Peach
    Reviewing
    Sieve Triangle Bra in Peach
    Rated 5 out of 5 stars
    Love it

    I love the sieve fabric, it’s silky and sexy but still really supportive. Bra is comfy for all day wear and swirls with everything from tshirts to low cut blouses.

  • Haley B.
    Verified Buyer
    2 days ago
    Sieve Triangle Bra in Coral
    Reviewing
    Sieve Triangle Bra in Coral
    Rated 5 out of 5 stars
    Been waiting to try!

    I have several sieve, this was my first triangle!

  • Sarah E.
    Verified Buyer
    Size Purchased 5
    How it Fits A Little Small
    Age Range 25 - 34
    Bra Size 36D
    2 days ago
    Size Purchased 5
    How it Fits A Little Small
    Age Range 25 - 34
    Bra Size 36D
    Sieve Triangle Bra in Buff + White
    Reviewing
    Sieve Triangle Bra in Buff + White
    Rated 5 out of 5 stars
    Comfortable, Cute, Sizes are on the smaller side

    One of the few products that looks as good in person as it did in the online advertisement. I would definitely buy another one of these. Enough support for bigger boobs and really comfortable but I have the straps at the longest they will go and that doesn't usually happen to me with other bras.

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Detail view of Sieve Triangle Bra Custom 2-Pack for sizer