International Shipping now available!

Free U.S. shipping on orders over $100, free exchanges, easy returns

Buy more, save money
Mid coverage in the back shows a lil cheek
Shown here with our matching Sieve Non-Wire in Buff
Sieve is our signature material for semi-sheer vibes
Our signature low rise sits at the hips
Honeycomb micromesh is strong but soft
  • Thumbnail image #1 of Sieve Brief in Buff
  • Thumbnail image #2 of Sieve Brief in Buff
  • Thumbnail image #3 of Sieve Brief in Buff
  • Thumbnail image #4 of Sieve Brief in Buff
  • Thumbnail image #5 of Sieve Brief in Buff
Buy more, save money
Product photo #1 of Sieve Brief in Buff Product photo #2 of Sieve Brief in Buff Product photo #3 of Sieve Brief in Buff Product photo #4 of Sieve Brief in Buff Product photo #5 of Sieve Brief in Buff

Sieve Brief in Buff

Rated 4.7 out of 5
Based on 59 reviews

Ultra low rise. Honeycomb micromesh.


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

Buy more and save $

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
  • A caramel-y sunrise desert sands affogato 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 59 reviews
  • 5 Stars
    47 Reviews
  • 4 Stars
    8 Reviews
  • 3 Stars
    3 Reviews
  • 2 Stars
    0 Reviews
  • 1 Star
    1 Review
97% 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
59 Reviews
Reviewed by BJA
Verified Buyer
I recommend this product
Size Purchased
S
How it Fits
A Little Big
Age
35 - 44
Jean Size
  • 27
  • 6
Rated 5 out of 5
Review posted

Great fit, beautiful color

I'm very picky about underwear, and these are beautiful and comfy and just the right amount of sexy for everyday. Love them and hope that negative brings it more fun colors.

Loading...
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 Kimberly D.
Verified Buyer
I recommend this product
Size Purchased
S
How it Fits
A Little Big
Age
35 - 44
Jean Size
  • 25
  • 26
Rated 5 out of 5
Review posted

Perfect!!

I have these in white also. Fit is amazing. Easily paired with anything. So soft and flattering.

Loading...
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 Jennifer Von V.
Verified Buyer
I don't recommend this product
Size Purchased
S
How it Fits
A Little Big
Age
25 - 34
Jean Size
  • 24
Rated 3 out of 5
Review posted

Cute but oversized

Very saggy in the butt region, extra room for if you have an accident I guess.

Loading...
Overall
Rated 0 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
Was this helpful?