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[Ksenia XS]
[Ksenia XS]
Pair w the matching non-wire and feel all sorts of pulled together [Paula XS]
Buff micro mesh paired with Black trims is fashion.. but subtle [Paula XS]
Paula is 5'10", dress size 2, jeans size 25, wearing our size XS [Paula XS]
flat
Thumbnail image #1 of Sieve Thong in Buff + Black [Ksenia XS]
Thumbnail image #2 of Sieve Thong in Buff + Black [Ksenia XS]
Thumbnail image #3 of Sieve Thong in Buff + Black [Paula XS]
Thumbnail image #4 of Sieve Thong in Buff + Black [Paula XS]
Thumbnail image #5 of Sieve Thong in Buff + Black [Paula XS]
Buy more, save money
[Ksenia XS]
[Ksenia XS]
Pair w the matching non-wire and feel all sorts of pulled together [Paula XS]
Buff micro mesh paired with Black trims is fashion.. but subtle [Paula XS]
Paula is 5'10

Sieve Thong

4.8
Rated 4.8 out of 5 stars
1,013 Reviews

Low rise cut. Semi sheer mesh.


A low rise thong in our airy light, subtly sheer, naturally smoothing Belgian micromesh. Create a custom 2 Pack ->
BlackBuffBuff + WhiteGraphiteNavyPeachSlateWhiteBuff + BlackCherryCoralCoral + WhiteGlacierHazeNEWPunchWhite Boa

Buy more, save $

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
  • A caramel-y sunrise desert sands affogato tone w contrast black trim
  • 74% Polyamide (Nylon) 26% Elastane (Spandex)
  • 100% Cotton gusset lining
  • Wash on delicates/cold, tumble dry low

FAQ

  • Price-slashed, Annual Sale items with a red SALE tag are direct size exchange only (no refunds). Full-priced items purchased with the 20% off discount are eligible for refund, credit or exchange. Click here for more info on our Sale policies.
  • 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

Looks good with ->

Stealth Mode Demi Bra in Buff Stealth Mode Demi Bra in Buff (alternate view) Stealth Mode Demi Bra in Buff $78
Sieve Triangle Bra in Buff + Black Sieve Triangle Bra in Buff + Black (alternate view) Sieve Triangle Bra in Buff + Black $70 +
Whipped Bra Top in Buff + Black Whipped Bra Top in Buff + Black (alternate view) Whipped Bra Top in Buff + Black $65 +
Sieve High-Waist Brief in Buff + Black Sieve High-Waist Brief in Buff + Black (alternate view) Sieve High-Waist Brief in Buff + Black $45 +
4.8
Rated 4.8 out of 5 stars
Based on 1,013 reviews
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1,013 reviews
  • Martha H.
    Verified Buyer
    Size Purchased XL
    How it Fits True to Size
    Age 65+
    Jean Size 14
    23 hours ago
    Size Purchased XL
    How it Fits True to Size
    Age 65+
    Jean Size 14
    Sieve Thong in Cherry
    Reviewing
    Sieve Thong in Cherry
    Rated 5 out of 5 stars
    Love it!

    Love it!

    Was this helpful?
  • Joan G.
    Verified Buyer
    Size Purchased XS
    How it Fits True to Size
    Age 65+
    Jean Size 25
    2 days ago
    Size Purchased XS
    How it Fits True to Size
    Age 65+
    Jean Size 25
    Sieve Thong in Buff + Black
    Reviewing
    Sieve Thong in Buff + Black
    Rated 5 out of 5 stars
    💕

    Love the superior quality, fit, strong but sexy Style!!

    Was this helpful?
  • Sloane
    Verified Buyer
    Size Purchased M
    How it Fits True to Size
    Age 25 - 34
    Jean Size 27
    2 days ago
    Size Purchased M
    How it Fits True to Size
    Age 25 - 34
    Jean Size 27
    Sieve Thong in Buff
    Reviewing
    Sieve Thong in Buff
    Rated 5 out of 5 stars
    Amazing

    I’m slowly starting to fill my wardrobe with Negative. Amazing quality and service and look. These are so comfortable, as if they’re not there, while being supportive. Sexy and comfortable and effective. Best kind of underwear.

    Was this helpful?
  • Ryan K.
    Verified Buyer
    Size Purchased L
    How it Fits True to Size
    Age 25 - 34
    Jean Size 28
    2 days ago
    Size Purchased L
    How it Fits True to Size
    Age 25 - 34
    Jean Size 28
    Sieve Thong in Coral
    Reviewing
    Sieve Thong in Coral
    Rated 3 out of 5 stars
    Feel

    Soft

    Was this helpful?
  • Elizabeth D.
    Verified Buyer
    Size Purchased S
    How it Fits A Little Big
    Age 55 - 64
    Jean Size 4
    2 days ago
    Size Purchased S
    How it Fits A Little Big
    Age 55 - 64
    Jean Size 4
    Sieve Thong in White
    Reviewing
    Sieve Thong in White
    Rated 3 out of 5 stars
    Nice thong

    Great quality but small is so big

    Was this helpful?
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Detail view of Sieve Thong in Buff + Black for sizer

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