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Sieve Brief DIY 2-Pack
Sieve Brief DIY 2-Pack
Sieve Brief DIY 2-Pack
Sieve Brief DIY 2-Pack
Sieve Brief DIY 2-Pack
Sieve Brief DIY 2-Pack
Sieve Brief DIY 2-Pack
Sieve Brief DIY 2-Pack
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Sieve Brief DIY 2-Pack

4.6
Rated 4.6 out of 5 stars
303 Reviews

Ultra low rise. Honeycomb micromesh.


Sieve fan? Meet your matching bottom and feel all sorts of pulled together.
Sieve Brief DIY 2-Pack
Sieve Brief DIY 2-Pack
Sieve Brief DIY 2-Pack
Sieve Brief DIY 2-Pack
Sieve Brief DIY 2-Pack
Sieve Brief DIY 2-Pack
Sieve Brief DIY 2-Pack
Sieve Brief DIY 2-Pack
Sieve Brief in Black
Sieve Brief in Buff
Sieve Brief in Coral
Sieve Brief in Haze
Sieve Brief in Navy
Sieve Brief in Peach
Sieve Brief in Slate
Sieve Brief in White Boa

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, tumble dry low

FAQ

  • 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
4.6
Rated 4.6 out of 5 stars
Based on 303 reviews
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303 reviews
  • Lisa D.
    Verified Buyer
    Size Purchased L
    How it Fits True to Size
    Age 35 - 44
    Jean Size 34
    4 minutes ago
    Size Purchased L
    How it Fits True to Size
    Age 35 - 44
    Jean Size 34
    Sieve Brief in Coral
    Reviewing
    Sieve Brief in Coral
    Rated 5 out of 5 stars
    Love

    Pairs nicely with the Sieva Bra Top

    Was this helpful?
  • Robert B.
    Verified Buyer
    Size Purchased L
    How it Fits True to Size
    Age 45 - 54
    Jean Size 28
    1 week ago
    Size Purchased L
    How it Fits True to Size
    Age 45 - 54
    Jean Size 28
    Sieve Brief in Black
    Reviewing
    Sieve Brief in Black
    Rated 5 out of 5 stars
    Amazing fit snd feel

    Perfect

    Was this helpful?
  • Robert B.
    Verified Buyer
    Size Purchased L
    How it Fits True to Size
    Age 45 - 54
    Jean Size 28
    1 week ago
    Size Purchased L
    How it Fits True to Size
    Age 45 - 54
    Jean Size 28
    Sieve Brief in Navy
    Reviewing
    Sieve Brief in Navy
    Rated 5 out of 5 stars
    Amazing

    Perfect fit. Super comfortable!

    Was this helpful?
  • Kimberly A.
    Verified Buyer
    Size Purchased M
    How it Fits A Little Small
    Age 45 - 54
    Jean Size 28
    1 week ago
    Size Purchased M
    How it Fits A Little Small
    Age 45 - 54
    Jean Size 28
    Sieve Brief in Black
    Reviewing
    Sieve Brief in Black
    Rated 4 out of 5 stars
    ordering size larger

    Nice quality, need larger size for me

    Was this helpful?
  • Leah E.
    Verified Buyer
    Size Purchased S
    How it Fits True to Size
    Age 35 - 44
    Jean Size 28
    2 weeks ago
    Size Purchased S
    How it Fits True to Size
    Age 35 - 44
    Jean Size 28
    Sieve Brief in Navy
    Reviewing
    Sieve Brief in Navy
    Rated 5 out of 5 stars
    So comfortable

    Loved these

    Was this helpful?
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Underwear Sizing

Underwear Sizing Size Chart

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

Detail view of Sieve Brief DIY 2-Pack for sizer

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