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Slate tone is a steely grey blue [Paula XS]
Wide plush elastic waistband doesn't dig or roll [Paula XS]
Honeycomb micromesh is strong but soft
A low rise thong in a neutral blue grey tone [Hannah L]
Styled here with our Sieve Demi Bra in Slate [Hannah L]
The back of the thong highlights the plush elastic waistband [Hannah L]
  • Thumbnail image #1 of Sieve Thong in Slate [Paula XS]
  • Thumbnail image #2 of Sieve Thong in Slate [Paula XS]
  • Thumbnail image #3 of Sieve Thong in Slate
  • Thumbnail image #4 of Sieve Thong in Slate [Hannah L]
  • Thumbnail image #5 of Sieve Thong in Slate [Hannah L]
  • Thumbnail image #6 of Sieve Thong in Slate [Hannah L]
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Product photo #1 of Sieve Thong in Slate [Paula XS] Product photo #2 of Sieve Thong in Slate [Paula XS] Product photo #3 of Sieve Thong in Slate Product photo #4 of Sieve Thong in Slate [Hannah L] Product photo #5 of Sieve Thong in Slate [Hannah L] Product photo #6 of Sieve Thong in Slate [Hannah L]

Sieve Thong in Slate

Rated 4.7 out of 5
Based on 198 reviews

Ultra low rise. Honeycomb micromesh.


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

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Free shipping 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
  • Steely blue-grey tone
  • 74% Polyamide (Nylon) 26% Elastane (Spandex)
  • 100% Cotton gusset lining
  • Wash on delicates/cold, tumble dry low

FAQ

  • All unworn items, with tags attached and in their original packaging are eligible for return or exchange within 21 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
average rating 4.7 out of 5
Based on 198 reviews
  • 5 Stars
    169 Reviews
  • 4 Stars
    18 Reviews
  • 3 Stars
    3 Reviews
  • 2 Stars
    5 Reviews
  • 1 Star
    3 Reviews
94% 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
198 Reviews
Reviewed by Sophie A.
Verified Buyer
I recommend this product
Size Purchased
XS
How it Fits
True to Size
Age
45 - 54
Jean Size
  • 25
  • 24
  • 0
  • 2
Rated 5 out of 5
Review posted

Perfect

Most comfortable - and sexy - underwear I own. Obsessed!!!!

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Overall
Rated 2 on a scale of minus 2 to 2, where minus 2 is Hated it, 0 is Meh and 2 is Loved it
Quality
Rated 5 out of 5
Comfort
Rated 5 out of 5
Was this helpful?
Reviewed by Victoria M.
Verified Buyer
I recommend this product
Size Purchased
S
How it Fits
True to Size
Age
55 - 64
Jean Size
  • 26
Rated 5 out of 5
Review posted

These are sexy!

I’m 55-years old and my partner introduced me to this brand. Wowzers. These are incredible: lightweight, breathable, comfortable and give beautiful lines in form-fitting dresses. Plus, my partner finds them irresistible. It’s all good.

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Overall
Rated 2 on a scale of minus 2 to 2, where minus 2 is Hated it, 0 is Meh and 2 is Loved it
Quality
Rated 5 out of 5
Comfort
Rated 5 out of 5
Was this helpful?
Reviewed by rebecca s.
Verified Buyer
I recommend this product
Size Purchased
M
How it Fits
True to Size
Age
45 - 54
Jean Size
  • 28
Rated 5 out of 5
Review posted

Comfiest undies I own!

I love the fit snd fabric of this thing. Like I’m wearing nothing! Will repurchase!

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Overall
Rated 2 on a scale of minus 2 to 2, where minus 2 is Hated it, 0 is Meh and 2 is Loved it
Quality
Rated 5 out of 5
Comfort
Rated 5 out of 5
Was this helpful?