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[Ksenia XS]
[Ksenia XS]
[Ksenia XS]
[Morgan M]
[Morgan M]
[Morgan M]
Thumbnail image #1 of Sieve String Thong in White [Ksenia XS]
Thumbnail image #2 of Sieve String Thong in White [Ksenia XS]
Thumbnail image #3 of Sieve String Thong in White [Ksenia XS]
Thumbnail image #4 of Sieve String Thong in White [Morgan M]
Thumbnail image #5 of Sieve String Thong in White [Morgan M]
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[Ksenia XS]
[Ksenia XS]
[Ksenia XS]
[Morgan M]
[Morgan M]
[Morgan M]

Sieve String Thong

4.8
Rated 4.8 out of 5 stars
183 Reviews

Barely there thong. Semi sheer mesh.


Under where? Our most minimal cut, now in our best selling Belgian micromesh.
BlackBuffWhiteBuff + WhiteSlateNavyPeachCoral

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
  • Thin elastic waistband won’t dig
  • Our most minimal, seamless underwear option
  • Can be worn around the hips or pulled high to the natural waistline
  • 76% Polyamide (Nylon) and 24% Elastane (Spandex)
  • 100% Cotton gusset lining
  • Wash on delicates/cold, dry flat

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

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4.8
Rated 4.8 out of 5 stars
Based on 183 reviews
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183 reviews
  • Harte S.
    Verified Buyer
    Size Purchased S
    How it Fits True to Size
    Age 65+
    Jean Size 25
    3 minutes ago
    Size Purchased S
    How it Fits True to Size
    Age 65+
    Jean Size 25
    Sieve String Thong in Navy
    Reviewing
    Sieve String Thong in Navy
    Rated 5 out of 5 stars
    best thong!!

    Love them! very comfortable.

    Was this helpful?
  • Allison Ford S.
    Verified Buyer
    Size Purchased S
    How it Fits True to Size
    Age 35 - 44
    Jean Size 26
    4 days ago
    Size Purchased S
    How it Fits True to Size
    Age 35 - 44
    Jean Size 26
    Sieve String Thong in Navy
    Reviewing
    Sieve String Thong in Navy
    Rated 5 out of 5 stars
    Comfy thong

    Ok I was pleasantly surprised at how comfy these are. I got them on sale because of the price point but I’m happy I bought them.

    Was this helpful?
  • Shannon G.
    Verified Buyer
    Size Purchased S
    How it Fits True to Size
    Age 25 - 34
    Jean Size 27
    4 days ago
    Size Purchased S
    How it Fits True to Size
    Age 25 - 34
    Jean Size 27
    Sieve String Thong in Buff + White
    Reviewing
    Sieve String Thong in Buff + White
    Rated 5 out of 5 stars
    Sexy and Comfy

    Great fit, great quality

    Was this helpful?
  • Susan B.
    Verified Buyer
    Size Purchased L
    How it Fits True to Size
    Age 45 - 54
    Jean Size 8
    5 days ago
    Size Purchased L
    How it Fits True to Size
    Age 45 - 54
    Jean Size 8
    Sieve String Thong in Buff + White
    Reviewing
    Sieve String Thong in Buff + White
    Rated 5 out of 5 stars
    Fits perfect! Love it!!!

    Ahhh this fits like a glove! I’m going to be ordering more!

    Was this helpful?
  • Donna S.
    Verified Buyer
    Size Purchased M
    How it Fits True to Size
    Age 25 - 34
    Jean Size 6
    6 days ago
    Size Purchased M
    How it Fits True to Size
    Age 25 - 34
    Jean Size 6
    Sieve String Thong in Navy
    Reviewing
    Sieve String Thong in Navy
    Rated 5 out of 5 stars
    Great thong

    Absolutely fabulous thong, great fit and quality.

    Was this helpful?
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Detail view of Sieve String Thong in White for sizer

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