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Black Friday Sale is here + save an additional 10% when you spend $250 or more

SALE
Cheeky cut is seamless under jeans
Sieve Brief in Peach
Honeycomb micro mesh is smooth and the right amount sheer
Nicola, shown here, is a size 24 jeans, wearing size 0
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SALE
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Sieve Brief

Rated 4.5 out of 5
15 Reviews

Ultra low rise. Honeycomb micromesh.


Sieve fan? Meet your matching bottom and feel all sorts of pulled together.  
SALE SALESALE
Only returnable for merchandise credit or exchange.

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
  • Pale peach blush tone
  • 74% Polyamide (Nylon) 26% Elastane (Spandex)
  • 100% Cotton gusset lining
  • Wash on delicates/cold, tumble dry low

FAQ

  • Price slashed, Black Friday labeled items are non-refundable and eligible for store credit or exchange only. Full priced items purchased with a discount code are eligible for refund, credit or exchange. For more info on our sale policies ->
  • 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

Pair it with ->

Sieve Non-Wire Bra in Peach Sieve Non-Wire Bra in Peach
Sieve Non-Wire Bra in Peach $60 +
Rated 4.6 out of 5
1519 Reviews
Silky Demi Bra in Peach Silky Demi Bra in Peach
Silky Demi Bra in Peach $75 $49
Rated 4.5 out of 5
123 Reviews
Whipped Triangle Bra in Peach Whipped Triangle Bra in Peach
Whipped Triangle Bra in Peach $60
Rated 4.6 out of 5
153 Reviews
Whipped Bra Top in Peach Whipped Bra Top in Peach
Whipped Bra Top in Peach $60 +
Rated 4.6 out of 5
196 Reviews
Write a Review
average rating 4.5 out of 5
Based on 15 reviews
  • 5 Stars
    10 Reviews
  • 4 Stars
    3 Reviews
  • 3 Stars
    2 Reviews
  • 2 Stars
    0 Reviews
  • 1 Star
    0 Reviews
100% 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
15 Reviews
Reviewed by Rena-Marie V.
Verified Buyer
Sieve Brief in Slate
Reviewing
Sieve Brief in Slate
I recommend this product
Size Purchased
L
How it Fits
True to Size
Height
5'8"
Age
45 - 54
Jean Size
  • 31
Rated 5 out of 5
Review posted

So comfortable

I love the sieve brief in Slate. Stays put and doesn't ride up, fits my bum perfectly and the color is gorgeous.

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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 Luzmila C.
Verified Buyer
Sieve Brief in Black
Reviewing
Sieve Brief in Black
I recommend this product
Size Purchased
L
How it Fits
True to Size
Height
5'7"
Age
35 - 44
Jean Size
  • 32
Rated 5 out of 5
Review posted

Fab!

Wow. So comfortable! You forget you have it on. The cut is also very flattering. Worth it. Highly recommend.

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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 Kesha C.
Verified Buyer
Sieve Brief in Slate
Reviewing
Sieve Brief in Slate
I recommend this product
Size Purchased
M
How it Fits
True to Size
Height
5'5"
Age
35 - 44
Jean Size
  • 28
Rated 5 out of 5
Review posted

The best underwear EVER!!!!

They are so comfy you literally forget you're wearing them. All underwear should make you feel that way.

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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?

Underwear Sizing

Size Chart

Q’s about sizing or fit? Email us at hello@negativeunderwear.com

@negativeunderwear