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Sieve is our signature material for semi-sheer vibes [Ksenia XS]
Low rise cut with a plush elastic band means no digging or pinching [Ksenia XS]
A low rise cheeky brief in Black honeycomb micromesh [Ksenia XS]
flat
  • of Sieve Brief in Black [Ksenia XS]
  • of Sieve Brief in Black [Ksenia XS]
  • of Sieve Brief in Black [Ksenia XS]
Buy more, save money
Sieve is our signature material for semi-sheer vibes [Ksenia XS] Low rise cut with a plush elastic band means no digging or pinching [Ksenia XS] A low rise cheeky brief in Black honeycomb micromesh [Ksenia XS]

Sieve Brief

Rated 4.6 out of 5
Based on 261 reviews

Ultra low rise. Honeycomb micromesh.


Sieve fan? Meet your matching bottom and feel all sorts of pulled together.  
NEW

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Free U.S. shipping on orders over $100. Easy returns.

Fit

  • Size Chart
  • Use this as a guide. If you prefer a looser fit, we recommend sizing up

Fabric + Care

  • Size Chart
  • Belgian power micromesh is subtly sheer
  • 74% Polyamide (Nylon) 26% Elastane (Spandex)
  • 100% Cotton gusset lining
  • Wash on delicates/cold, tumble dry low

FAQ

  • 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

Pair it with ->

Sieve Cutout Bra in Black Sieve Cutout Bra in Black (alternate view) Sieve Cutout Bra in Black $65 +
Sieve Non-Wire Bra in Black Sieve Non-Wire Bra in Black (alternate view) Sieve Non-Wire Bra in Black $65 +
Sieve Balconette Bra in Black Sieve Balconette Bra in Black (alternate view) Sieve Balconette Bra in Black $75
Whipped Triangle Bra in Black Whipped Triangle Bra in Black (alternate view) Whipped Triangle Bra in Black $65 +
Write a Review
average rating 4.6 out of 5
Based on 261 reviews
  • 5 Stars
    193 Reviews
  • 4 Stars
    39 Reviews
  • 3 Stars
    18 Reviews
  • 2 Stars
    4 Reviews
  • 1 Star
    7 Reviews
91% of reviewers would recommend this product to a friend
Overall
Rated 1 on a scale of minus 2 to 2, where minus 2 is Hated it, 0 is Meh and 2 is Loved it
Quality
Rated 4 out of 5
Comfort
Rated 4 out of 5
261 Reviews
Reviewed by Renée Bou R.
Verified Buyer
Review posted
Sieve Brief in White Boa
Reviewing
Sieve Brief in White Boa
I recommend this product
Rated 5 out of 5

Fits well

Beautiful design and fits well although I would recommend sizing according to pants size not dress size because I had to go up one size.

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Reviewed by Deborah C.
Verified Buyer
Review posted
Sieve Brief in Black
Reviewing
Sieve Brief in Black
Rated 3 out of 5
Size Purchased
S
How it Fits
A Little Small
Age
65+
Jean Size
  • 27

Sexy but comfortable

This is only my experience, but fabric a little stiff.

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Overall
Rated 0 on a scale of minus 2 to 2, where minus 2 is Hated it, 0 is Meh and 2 is Loved it
Quality
Rated 3 out of 5
Comfort
Rated 3 out of 5
Was this helpful?
Reviewed by Rebecca C.
Verified Buyer
Review posted
Sieve Brief in White Boa
Reviewing
Sieve Brief in White Boa
I recommend this product
Rated 5 out of 5

Very pretty

Love all the Sieve line

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Underwear Sizing

Underwear Sizing Size Chart

Q’s about sizing or fit? Email us at hello@negativeunderwear.com

Detail view of Sieve Brief in Black for sizer

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