Buy more, save money
Thumbnail image #1 of Sieve Triangle Bra Custom 2-Pack
Thumbnail image #2 of Sieve Triangle Bra Custom 2-Pack
Thumbnail image #3 of Sieve Triangle Bra Custom 2-Pack
Thumbnail image #4 of Sieve Triangle Bra Custom 2-Pack
Thumbnail image #5 of Sieve Triangle Bra Custom 2-Pack
Thumbnail image #6 of Sieve Triangle Bra Custom 2-Pack
Thumbnail image #7 of Sieve Triangle Bra Custom 2-Pack
Thumbnail image #8 of 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 in

Sieve Triangle Bra Custom 2-Pack

4.5
Rated 4.5 out of 5 stars
2,337 Reviews

Surprising support. Deep v neckline.

Our signature Sieve mesh in a lower coverage triangle cut. Great shape - no pad or wire included.
0 1 2 3 4 5
0 1 2 3 4 5
0 1 2 3 4 5
0 1 2 3 4 5
0 1 2 3 4 5
0 1 2 3 4 5
0 1 2 3 4 5
0 1 2 3 4 5
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 2,337 reviews
2,337 reviews
  • Sharon H.
    Verified Buyer
    Size Purchased 2
    How it Fits True to Size
    Age Range 55 - 64
    Bra Size 34C
    1 hour ago
    Size Purchased 2
    How it Fits True to Size
    Age Range 55 - 64
    Bra Size 34C
    Sieve Triangle Bra in Buff + White
    Reviewing
    Sieve Triangle Bra in Buff + White
    Rated 4 out of 5 stars
    Super bra

    I have bought one for the first time. It’s an amazing well fitted bra.

  • Greg D.
    Verified Buyer
    16 hours ago
    Sieve Triangle Bra in Coral
    Reviewing
    Sieve Triangle Bra in Coral
    Rated 5 out of 5 stars
    Best bra

    Bought this bra for my wife. She said it is hands down the most comfortable bra she has ever owned. Sizing was perfect. She will buy more.

  • Tanja D.
    Verified Buyer
    Size Purchased 1
    How it Fits True to Size
    Age Range 45 - 54
    Bra Size 34B
    21 hours ago
    Size Purchased 1
    How it Fits True to Size
    Age Range 45 - 54
    Bra Size 34B
    Sieve Triangle Bra in Black
    Reviewing
    Sieve Triangle Bra in Black
    Rated 3 out of 5 stars
    Sexy Daily Bra

    This is a great sexy daily bra! The reason I didn't give it 5 stars is my breasts shifted a bit and there was some popping out in the front. I wish there was more fabric coverage to prevent that.

  • Coral S.
    Verified Buyer
    22 hours ago
    Sieve Triangle Bra in Coral
    Reviewing
    Sieve Triangle Bra in Coral
    Rated 5 out of 5 stars
    Such a pretty bra

    I love this! The color is pretty and seems pretty true to size.

  • Elizabeth R.
    Verified Buyer
    Size Purchased 5
    How it Fits True to Size
    Age Range 35 - 44
    Bra Size Other
    Yesterday
    Size Purchased 5
    How it Fits True to Size
    Age Range 35 - 44
    Bra Size Other
    Sieve Triangle Bra in Black
    Reviewing
    Sieve Triangle Bra in Black
    Rated 5 out of 5 stars
    Love it!

    Great quality, great fit, so comfortable!

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