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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
400 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 US shipping on all orders from now through 12/31.

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 items purchased with the 15% discount during the Holiday Sale have no restrictions and are eligible for all return/exchange outcomes.
  • 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 400 reviews
400 reviews
  • John H.
    Verified Buyer
    Size Purchased M
    How it Fits A Little Big
    Age 35 - 44
    Jean Size 10
    4 minutes ago
    Size Purchased M
    How it Fits A Little Big
    Age 35 - 44
    Jean Size 10
    Sieve Brief in Peach
    Reviewing
    Sieve Brief in Peach
    Rated 4 out of 5 stars
    Good

    Great product

  • Lydia F.
    Verified Buyer
    Size Purchased M
    How it Fits True to Size
    Age 35 - 44
    Jean Size 29
    1 week ago
    Size Purchased M
    How it Fits True to Size
    Age 35 - 44
    Jean Size 29
    Sieve Brief in Black
    Reviewing
    Sieve Brief in Black
    Rated 5 out of 5 stars
    Love these undies !

    LOVE

  • kristen m.
    Verified Buyer
    Size Purchased M
    How it Fits A Little Big
    Age 35 - 44
    Jean Size 29
    4 weeks ago
    Size Purchased M
    How it Fits A Little Big
    Age 35 - 44
    Jean Size 29
    Sieve Brief in Black
    Reviewing
    Sieve Brief in Black
    Rated 4 out of 5 stars
    Sieve black

    Cute. Not sure if I should have size down somewhat big on coverage/hight up but not much tush coverage

  • kristen m.
    Verified Buyer
    Size Purchased M
    How it Fits A Little Big
    Age 35 - 44
    Jean Size 29
    4 weeks ago
    Size Purchased M
    How it Fits A Little Big
    Age 35 - 44
    Jean Size 29
    Sieve Brief in Slate
    Reviewing
    Sieve Brief in Slate
    Rated 4 out of 5 stars
    Sieve slate

    Cute. Imo a little big as far as how hight up the brief go but not much rush coverage.

  • Tara C.
    Verified Buyer
    Size Purchased XL
    How it Fits A Little Small
    Age 45 - 54
    Jean Size 12
    1 month ago
    Size Purchased XL
    How it Fits A Little Small
    Age 45 - 54
    Jean Size 12
    Sieve Brief in Slate
    Reviewing
    Sieve Brief in Slate
    Rated 5 out of 5 stars
    Comfy

    Comfy

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