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Sieve Brief Custom 2-Pack
Sieve Brief Custom 2-Pack
Sieve Brief Custom 2-Pack
Sieve Brief Custom 2-Pack
Sieve Brief Custom 2-Pack
Sieve Brief Custom 2-Pack
Sieve Brief Custom 2-Pack
Sieve Brief Custom 2-Pack

Sieve Brief Custom 2-Pack in

Sieve Brief Custom 2-Pack

4.5
Rated 4.5 out of 5 stars
439 Reviews

Ultra low rise. Honeycomb micromesh.


Sieve fan? Meet your matching bottom and feel all sorts of pulled together.
XS S M L XL XXL
XS S M L XL XXL
XS S M L XL XXL
XS S M L XL XXL
XS S M L XL XXL
XS S M L XL XXL
Sieve Brief Custom 2-Pack
Sieve Brief Custom 2-Pack
Sieve Brief Custom 2-Pack
Sieve Brief Custom 2-Pack
Sieve Brief Custom 2-Pack
Sieve Brief Custom 2-Pack
Sieve Brief Custom 2-Pack
Sieve Brief Custom 2-Pack
Sieve Brief Custom 2-Pack
Sieve Brief Custom 2-Pack
Sieve Brief Custom 2-Pack
Sieve Brief Custom 2-Pack

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

  • 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
View full details
4.5
Rated 4.5 out of 5 stars
Based on 439 reviews
439 reviews
  • Megan Somers G.
    Verified Buyer
    3 minutes ago
    Sieve Brief in Buff Boa
    Reviewing
    Sieve Brief in Buff Boa
    Rated 5 out of 5 stars
    Beautiful,

    High quality, and flattering!

  • Carroll S.
    Verified Buyer
    Size Purchased M
    How it Fits True to Size
    Age 55 - 64
    Jean Size 29
    6 days ago
    Size Purchased M
    How it Fits True to Size
    Age 55 - 64
    Jean Size 29
    Sieve Brief in Slate
    Reviewing
    Sieve Brief in Slate
    Rated 5 out of 5 stars
    👏🏻

    🔥

  • Logan B.
    Verified Buyer
    Size Purchased XS
    How it Fits True to Size
    Age 45 - 54
    1 week ago
    Size Purchased XS
    How it Fits True to Size
    Age 45 - 54
    Sieve Brief in Black
    Reviewing
    Sieve Brief in Black
    Rated 5 out of 5 stars
    Very cute.

    Well made & great look.

  • Christopher S.
    Verified Buyer
    Size Purchased S
    How it Fits Runs Small
    Age 25 - 34
    2 weeks ago
    Size Purchased S
    How it Fits Runs Small
    Age 25 - 34
    Sieve Brief in Peach
    Reviewing
    Sieve Brief in Peach
    Rated 5 out of 5 stars
    Underwar

    Excellent product

  • Deana D.
    Verified Buyer
    Size Purchased M
    How it Fits True to Size
    Age 45 - 54
    Jean Size 28
    3 weeks ago
    Size Purchased M
    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
    Comfy

    Great fit and comfortable

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Detail view of Sieve Brief Custom 2-Pack for sizer