Sieve Demi Bra
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Espresso demi bra with underwire cups and adjustable spaghetti straps
Espresso demi bra with matching bikini brief, side view
Espresso demi bra with racerback straps and adjustable back closure, back view
Espresso demi bra close-up of mesh fabric and underwire cup seam
Espresso demi bra with matching bikini brief, full front view

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.
  • Details
  • Fabric + Care
  • Easy Returns
  • Underwire bra with max comfort
  • Velvety plush elastic underband
  • Heat transferred care label = no itchy tags
  • 74% Polyamide (Nylon) 26% Elastane (Spandex)
  • Espresso is rich freshly-ground coffee deep mahogany shade
  • Made from a sheer Belgian power micromesh - nipples are visible
  • 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 Espresso for sizer

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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.

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