Buy more, save money
Thumbnail image #1 of Sieve Thong Custom 2-Pack
Thumbnail image #2 of Sieve Thong Custom 2-Pack
Thumbnail image #3 of Sieve Thong Custom 2-Pack
Thumbnail image #4 of Sieve Thong Custom 2-Pack
Thumbnail image #5 of Sieve Thong Custom 2-Pack
Thumbnail image #6 of Sieve Thong Custom 2-Pack
Thumbnail image #7 of Sieve Thong Custom 2-Pack
Thumbnail image #8 of Sieve Thong Custom 2-Pack
Sieve Thong Custom 2-Pack
Sieve Thong Custom 2-Pack
Sieve Thong Custom 2-Pack
Sieve Thong Custom 2-Pack
Sieve Thong Custom 2-Pack
Sieve Thong Custom 2-Pack
Sieve Thong Custom 2-Pack
Sieve Thong Custom 2-Pack

Sieve Thong Custom 2-Pack in

Sieve Thong Custom 2-Pack

4.8
Rated 4.8 out of 5 stars
1,384 Reviews

Low rise. Semi sheer mesh.

A low rise thong in our airy light, subtly sheer, naturally smoothing Belgian micromesh.
XS S M L XL XXL
XS S M L XL XXL
XS S M L XL XXL
XS S M L XL XXL
XS S M L XL XXL
XS S M L XL XXL
XS S M L XL XXL
XS S M L XL XXL
XS S M L XL XXL
XS S M L XL XXL
XS S M L XL XXL
XS S M L XL XXL
XS S M L XL XXL
XS S M L XL XXL
XS S M L XL XXL
Sieve Thong Custom 2-Pack
Sieve Thong Custom 2-Pack
Sieve Thong Custom 2-Pack
Sieve Thong Custom 2-Pack
Sieve Thong Custom 2-Pack
Sieve Thong Custom 2-Pack
Sieve Thong Custom 2-Pack
Sieve Thong Custom 2-Pack
Sieve Thong Custom 2-Pack
Sieve Thong Custom 2-Pack
Sieve Thong Custom 2-Pack
Sieve Thong Custom 2-Pack
Sieve Thong Custom 2-Pack
Sieve Thong Custom 2-Pack
Sieve Thong Custom 2-Pack
Sieve Thong Custom 2-Pack
Sieve Thong Custom 2-Pack
Sieve Thong Custom 2-Pack
Sieve Thong Custom 2-Pack
Sieve Thong Custom 2-Pack
Sieve Thong Custom 2-Pack
Sieve Thong Custom 2-Pack
Sieve Thong Custom 2-Pack
Sieve Thong Custom 2-Pack
Sieve Thong Custom 2-Pack
Sieve Thong Custom 2-Pack
Sieve Thong Custom 2-Pack
Sieve Thong Custom 2-Pack
Sieve Thong Custom 2-Pack
Sieve Thong Custom 2-Pack

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
  • 74% Polyamide (Nylon) 26% Elastane (Spandex)
  • 100% Cotton gusset lining
  • Wash on delicates/cold, dry flat

FAQ

  • Price-slashed items are either exchange only or final sale. Any item marked as "exchange only" are eligible for direct size exchange only (aka no refunds). Items marked as "final sale" are not eligible for returns or exchanges.
  • 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
View full details
4.8
Rated 4.8 out of 5 stars
Based on 1,384 reviews
1,384 reviews
  • Jane P.
    Verified Buyer
    Size Purchased S
    How it Fits True to Size
    Age 65+
    Jean Size 0
    3 minutes ago
    Size Purchased S
    How it Fits True to Size
    Age 65+
    Jean Size 0
    Sieve Thong in White
    Reviewing
    Sieve Thong in White
    Rated 5 out of 5 stars
    Sieve Thong in White

    Such a comfortable thong. I love my thongs! They don’t irritate me.

  • Jane P.
    Verified Buyer
    5 minutes ago
    Sieve Thong in Babe
    Reviewing
    Sieve Thong in Babe
    Rated 5 out of 5 stars
    Sieve Thong Babe

    Love this thong….the most comfortable thong I’ve worn!

  • Kimberly S.
    Verified Buyer
    Size Purchased M
    How it Fits True to Size
    Age 45 - 54
    Jean Size 27
    21 hours ago
    Size Purchased M
    How it Fits True to Size
    Age 45 - 54
    Jean Size 27
    Sieve Thong in Black
    Reviewing
    Sieve Thong in Black
    Rated 3 out of 5 stars
    Sieve thing

    Fits great.

  • mandy A.
    Verified Buyer
    Size Purchased L
    How it Fits A Little Small
    Age 45 - 54
    Jean Size 34
    2 days ago
    Size Purchased L
    How it Fits A Little Small
    Age 45 - 54
    Jean Size 34
    Sieve Thong in Buff + White
    Reviewing
    Sieve Thong in Buff + White
    Rated 4 out of 5 stars
    Comfy but alittle small.

    Very comfy. I should’ve ordered a size up.

  • Amy D.
    Verified Buyer
    Size Purchased M
    How it Fits A Little Big
    Age 45 - 54
    Jean Size 30
    3 days ago
    Size Purchased M
    How it Fits A Little Big
    Age 45 - 54
    Jean Size 30
    Sieve Thong in Slate
    Reviewing
    Sieve Thong in Slate
    Rated 2 out of 5 stars
    Cute but not comfortable.

    Not comfortable at all. Stiff and not soft.

Reviews LoadedReviews Added
Detail view of Sieve Thong Custom 2-Pack for sizer