Sieve Demi Bra
Thumbnail image #1 of Sieve Demi Bra in Buff [Adelina 34B]
Thumbnail image #2 of Sieve Demi Bra in Buff [Adelina 34B]
Thumbnail image #3 of Sieve Demi Bra in Buff [Adelina 34B]
Thumbnail image #4 of Sieve Demi Bra in Buff [Hannah 36DD]
Thumbnail image #5 of Sieve Demi Bra in Buff [Hannah 36DD]
Thumbnail image #6 of Sieve Demi Bra in Buff
[Adelina 34B]
[Adelina 34B]
[Adelina 34B]
[Hannah 36DD]
[Hannah 36DD]
Power mesh is the right amount of sheer

Sieve Demi Bra

Sieve Demi Bra

$78
$78
$78
$78
Shipping calculated at checkout.

None of the padding. All the support.


Airy light and surprisingly strong — it’s not impossible, we made it.
BlackBuffBabeNEWShellNEWEspresso
Band
Band
Band
Cup
Cup
Cup
Color
Color
Color
Low stock

None of the padding. All the support.


Airy light and surprisingly strong — it’s not impossible, we made it.
  • OEKO-TEX®
STANDARD 100
  • Machine Washable
  • Details
  • Fabric + Care
  • Easy Returns
  • Made from a sheer Belgian power micromesh — nipples are visible
  • Underwire bra with max comfort
  • Velvety plush elastic underband
  • Heat transferred care label = no itchy tags
  • Sheer Belgian power micromesh is surprisingly supportive
  • Unpadded and unlined — nipples can show depending on the person or the shirt
  • 74% Polyamide (Nylon) 26% Elastane (Spandex)
  • A caramel-y sunrise affogato desert sands tone
  • Hand wash in warm water, dry flat
  • Holiday extended returns: all full-priced items (including packs) are eligible for return or exchange within 60 days of the original purchase date. The extended window applies to orders placed November 3-December 31, 2026; our standard 30-day window applies to all other orders.
  • All last chance items marked with "Final Sale" are not eligible for return or exchange.
  • Given the delicate nature of what we sell, items must be unworn, unwashed, and undamaged, with tags attached and in original packaging to proceed with a return.
  • Packs must be returned in full.
  • To help ensure your items are eligible for a return, please check out 'Try-On Tips' in our Help Center.
  • Want more info about shipping, materials, or care instructions? Here!

    Questions on fit or sizing? Email us at hello@negativeunderwear.com
View full details
Detail view of Sieve Demi Bra in Buff for sizer
4.7
Rated 4.7 out of 5 stars
Based on 1,631 reviews
1,631 reviews
  • Subah
    4 minutes ago
    Reviewing
    Sieve Demi Bra in Shell
    Rated 3 out of 5 stars
    3 Stars

    Sizing is not normal.

    Was this helpful?