![Thumbnail image #1 of Sieve Thong in Buff + Black [Ksenia XS]](http://negativeunderwear.com/cdn/shop/products/Bottom_SieveThong_BuffBlack_Ksenia_03_154x154.jpg?v=1627952026)
![Thumbnail image #2 of Sieve Thong in Buff + Black [Ksenia XS]](http://negativeunderwear.com/cdn/shop/products/Bottom_SieveThong_BuffBlack_Ksenia_02_154x154.jpg?v=1627952039)
![Thumbnail image #3 of Sieve Thong in Buff + Black [Paula XS]](http://negativeunderwear.com/cdn/shop/products/Bottom_SieveThong_BuffBlack_Paula25XS_01_1024x1024_0b387b03-eba5-4fd8-acf0-6c07065b6b8d_154x154.jpg?v=1627952016)
![Thumbnail image #4 of Sieve Thong in Buff + Black [Paula XS]](http://negativeunderwear.com/cdn/shop/products/Bottom_SieveThong_BuffBlack_Paula25XS_03_1024x1024_773de598-7ac0-43ae-8624-b740d793dc5c_154x154.jpg?v=1627952016)
![Thumbnail image #5 of Sieve Thong in Buff + Black [Paula XS]](http://negativeunderwear.com/cdn/shop/products/Bottom_SieveThong_BuffBlack_Paula25XS_04_1024x1024_6aae0b42-d4b0-42c2-b10a-3688f75be671_154x154.jpg?v=1627952016)
![[Ksenia XS]](http://negativeunderwear.com/cdn/shop/products/Bottom_SieveThong_BuffBlack_Ksenia_03_thumb.jpg?v=1627952026)
![[Ksenia XS]](http://negativeunderwear.com/cdn/shop/products/Bottom_SieveThong_BuffBlack_Ksenia_02_thumb.jpg?v=1627952039)
![Pair w the matching non-wire and feel all sorts of pulled together [Paula XS]](http://negativeunderwear.com/cdn/shop/products/Bottom_SieveThong_BuffBlack_Paula25XS_01_1024x1024_0b387b03-eba5-4fd8-acf0-6c07065b6b8d_thumb.jpg?v=1627952016)
![Buff micro mesh paired with Black trims is fashion.. but subtle [Paula XS]](http://negativeunderwear.com/cdn/shop/products/Bottom_SieveThong_BuffBlack_Paula25XS_03_1024x1024_773de598-7ac0-43ae-8624-b740d793dc5c_thumb.jpg?v=1627952016)

Sieve Thong in Buff + Black
Sieve Thong
4.8
Rated 4.8 out of 5 stars
1,055 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 ->
Buy more, save $
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Free US shipping on all orders from now through 12/31.
Fit
- Size Chart
- Use this as a guide. If you prefer a looser fit, we recommend sizing up.
Fabric + Care
- 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
- All items purchased with the 15% discount during the Holiday Sale have no restrictions and are eligible for all return/exchange outcomes.
- Price-slashed, Last Chance Sale items with a red SALE tag are direct size exchange only (no refunds).
- All full-priced, unworn items, with tags attached and in their original packaging are eligible for return or exchange within 60 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
![[Ksenia XS]](http://negativeunderwear.com/cdn/shop/products/Bottom_SieveThong_BuffBlack_Ksenia_03.jpg?v=1627952026&width=1445)
![[Ksenia XS]](http://negativeunderwear.com/cdn/shop/products/Bottom_SieveThong_BuffBlack_Ksenia_02.jpg?v=1627952039&width=1445)
![Pair w the matching non-wire and feel all sorts of pulled together [Paula XS]](http://negativeunderwear.com/cdn/shop/products/Bottom_SieveThong_BuffBlack_Paula25XS_01_1024x1024_0b387b03-eba5-4fd8-acf0-6c07065b6b8d.jpg?v=1627952016&width=1445)
![Buff micro mesh paired with Black trims is fashion.. but subtle [Paula XS]](http://negativeunderwear.com/cdn/shop/products/Bottom_SieveThong_BuffBlack_Paula25XS_03_1024x1024_773de598-7ac0-43ae-8624-b740d793dc5c.jpg?v=1627952016&width=1445)
![Paula is 5'10", dress size 2, jeans size 25, wearing our size XS [Paula XS]](http://negativeunderwear.com/cdn/shop/products/Bottom_SieveThong_BuffBlack_Paula25XS_04_1024x1024_6aae0b42-d4b0-42c2-b10a-3688f75be671.jpg?v=1627952016&width=1445)

Underwear Sizing
Dress size: | 0-2 | 2-4 | 6-8 | 10-12 | 12-14 | 16-18 |
---|---|---|---|---|---|---|
Your full hip: | 34.5-36" | 36.5-38" | 38.5-40.5" | 41-42.5" | 43-44.5" | 45-46.5" |
Negative size: | XS | S | M | L | XL | XXL |
Q’s about sizing or fit? Email us at hello@negativeunderwear.com

4.8
Rated 4.8 out of 5 stars
Based on 1,055 reviews
1,055 reviews
- Kim P.Verified Buyer4 minutes agoReviewingSieve Thong in PunchRated 5 out of 5 starsSieve Set
This is a very flattering bottom and set!
Was this helpful? - jonathan p.Verified BuyerSize Purchased SHow it Fits True to SizeAge 45 - 54Jean Size 268 hours agoSize Purchased SHow it Fits True to SizeAge 45 - 54Jean Size 26ReviewingSieve Thong in BlackRated 4 out of 5 starsAwesome
Love it
Was this helpful? - Clair C.Verified BuyerSize Purchased MHow it Fits A Little BigAge 45 - 54Jean Size 2710 hours agoSize Purchased MHow it Fits A Little BigAge 45 - 54Jean Size 27ReviewingSieve Thong in BlackRated 5 out of 5 starsGreat!
Super comfy and quality
Was this helpful? - Katherine G.Verified BuyerSize Purchased SHow it Fits True to SizeAge 45 - 54Jean Size 2522 hours agoSize Purchased SHow it Fits True to SizeAge 45 - 54Jean Size 25ReviewingSieve Thong in BuffRated 5 out of 5 starsPerfect fit
Perfect fit, have these in multiple colors now !
Was this helpful? - WilliamVerified BuyerSize Purchased SHow it Fits True to SizeAge 35 - 44Jean Size 23 days agoSize Purchased SHow it Fits True to SizeAge 35 - 44Jean Size 2ReviewingSieve Thong in Buff + WhiteRated 5 out of 5 starsOmfg
🎵I bought ‘em for my wife and she put them on
and I JIZZED IN MY PANTS🎵
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