





















- Ksenia, 1
- Vitoria, 3+

![retouched image [Ksenia 1]](http://negativeunderwear.com/cdn/shop/files/PDP-SieveNonWire-Black_thumb.jpg?v=1697147784)
![[Ksenia 1]](http://negativeunderwear.com/cdn/shop/products/Bra_SieveNW_Black_Ksenia_04_thumb.jpg?v=1697147784)
![[Ksenia 1]](http://negativeunderwear.com/cdn/shop/products/Bra_SieveNW_Black_Ksenia_01_thumb.jpg?v=1697147784)

![[Vitoria 3+]](http://negativeunderwear.com/cdn/shop/files/SieveNon-WirePlus_Vitoria_NoNip_thumb.png?v=1704468855)
![[Vitoria 3+]](http://negativeunderwear.com/cdn/shop/products/Bra_SieveNonWirePlus_Black_Vitoria_03_thumb.jpg?v=1704468855)
![[Vitoria 3+]](http://negativeunderwear.com/cdn/shop/products/Bra_SieveNonWirePlus_Black_Vitoria_01_thumb.jpg?v=1704468855)

![retouched image [Ksenia 1]](http://negativeunderwear.com/cdn/shop/files/PDP-SieveNonWire-Black_thumb.jpg?v=1697147784)
![[Ksenia 1]](http://negativeunderwear.com/cdn/shop/products/Bra_SieveNW_Black_Ksenia_04_thumb.jpg?v=1697147784)
![[Ksenia 1]](http://negativeunderwear.com/cdn/shop/products/Bra_SieveNW_Black_Ksenia_01_thumb.jpg?v=1697147784)

![[Vitoria 3+]](http://negativeunderwear.com/cdn/shop/files/SieveNon-WirePlus_Vitoria_NoNip_thumb.png?v=1704468855)
![[Vitoria 3+]](http://negativeunderwear.com/cdn/shop/products/Bra_SieveNonWirePlus_Black_Vitoria_03_thumb.jpg?v=1704468855)
![[Vitoria 3+]](http://negativeunderwear.com/cdn/shop/products/Bra_SieveNonWirePlus_Black_Vitoria_01_thumb.jpg?v=1704468855)

Sieve Non-Wire Bra in Black
Sieve Non-Wire Bra
Our best selling bra for a reason.
The most supportive of our wireless bras. Great shape, naturally smoothing, airy light and sexy sheer — Belgian micromesh might just be magic. Create a custom 2 Pack ->
Buy more, save $
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Description
Our best selling bra for a reason.
The most supportive of our wireless bras. Great shape, naturally smoothing, airy light and sexy sheer — Belgian micromesh might just be magic.
Fit
- Size Chart
- Use this as a guide. Preference is a huge factor — if you’re near the top of a size range and/or prefer more coverage, you may want to size up.
Fabric + Care
- Made from a sheer Belgian power micromesh — nipples are visible
- 74% Polyamide (Nylon) 26% Elastane (Spandex)
- Wireless
- Certified Safe: OEKO-TEX® STANDARD 100 #23.HCN.86212 by Hohenstein HTTI
- Hand wash in cold water, dry flat
FAQ
- Price-slashed items are either exchange only or final sale. Any item marked as "exchange only" are eligible for direct size exchange only (aka no refunds). Items marked as "final sale" are not eligible for returns or exchanges.
- 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
Non-Wire Bra Sizing
Your underbust: | A | B | C | D | DD | DDD | G | |
---|---|---|---|---|---|---|---|---|
24-26" | 30 | 0 | 0 | 0 | 1 | 1* | 1+ | |
26-28" | 32 | 0 | 0 | 1 | 2 | 2* | 1+ | 1+ |
28-30" | 34 | 1 | 1 | 2 | 2 | 3* | 2+ | 2+ |
30-32" | 36 | 1 | 2 | 3 | 3 | 4* | 3+ | 3+ |
32-34" | 38 | 3 | 3 | 4 | 4 | 5* | 4+ | 4+ |
35-38" | 40 | 3 | 5 | 5 | 5 | 5* | 5+ | 5+ |
38-40" | 42 | 5 | 5 | 5 | 5* |
* Non-wire bra sizing can vary by preference and if you're toward the top of a size range and prefer more coverage, you may want to size up. For styles available in + sizes (designed with additional support details for our larger cup customers), we find DD's can be on the cusp - if you prefer more coverage and support, we suggest the + bra equivalent for your band size.
Q’s about sizing or fit? Email us at hello@negativeunderwear.com
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- Christopher A.Verified Buyer23 hours agoReviewingSieve Non-Wire Bra in White BoaRated 5 out of 5 starsLooks great!
Got it for the wife. It looks good and she doesn't complain about it. Only drawback is the light color tends to get discolored around the armpit area, but the fabric responds well to Oxiclean.
Was this helpful? - Heather R.Verified BuyerSize Purchased 1How it Fits True to SizeAge Range 35 - 44Bra Size 34BYesterdaySize Purchased 1How it Fits True to SizeAge Range 35 - 44Bra Size 34BReviewingSieve Non-Wire Bra in BuffRated 5 out of 5 starsLove
Didn’t think I’d like this much. Will buy more.
Was this helpful? - Daniela F.Verified BuyerSize Purchased 2How it Fits True to SizeAge Range 45 - 54Bra Size 34CYesterdaySize Purchased 2How it Fits True to SizeAge Range 45 - 54Bra Size 34CReviewingSieve Non-Wire Bra in WhiteRated 5 out of 5 starsObsessed
Perfect fit, functional and sexy
Was this helpful? - Joyce C.Verified BuyerSize Purchased 3How it Fits True to SizeAge Range 45 - 54Bra Size 34B3 days agoSize Purchased 3How it Fits True to SizeAge Range 45 - 54Bra Size 34BReviewingSieve Non-Wire Bra in BlackRated 5 out of 5 starsLove!
So cute and comfy!
Was this helpful? - Joyce C.Verified BuyerSize Purchased 3How it Fits True to SizeAge Range 45 - 54Bra Size 34B3 days agoSize Purchased 3How it Fits True to SizeAge Range 45 - 54Bra Size 34BReviewingSieve Non-Wire Bra in GraphiteRated 5 out of 5 starsLove!
So cute and comfy!
Was this helpful?
- Christopher A.Verified BuyerYesterdayReviewingSieve Non-Wire Bra in White BoaLooks great!
Got it for the wife. It looks good and she doesn't complain about it. Only drawback is the light color tends to get discolored around the armpit area, but the fabric responds well to Oxiclean.
- Heather R.Verified BuyerSize Purchased 1How it Fits True to SizeAge Range 35 - 44Bra Size 34BYesterdaySize Purchased 1How it Fits True to SizeAge Range 35 - 44Bra Size 34BReviewingSieve Non-Wire Bra in BuffLove
Didn’t think I’d like this much. Will buy more.
- Daniela F.Verified BuyerSize Purchased 2How it Fits True to SizeAge Range 45 - 54Bra Size 34CYesterdaySize Purchased 2How it Fits True to SizeAge Range 45 - 54Bra Size 34CReviewingSieve Non-Wire Bra in WhiteObsessed
Perfect fit, functional and sexy
- Joyce C.Verified BuyerSize Purchased 3How it Fits True to SizeAge Range 45 - 54Bra Size 34B4 days agoSize Purchased 3How it Fits True to SizeAge Range 45 - 54Bra Size 34BReviewingSieve Non-Wire Bra in BlackLove!
So cute and comfy!
- Joyce C.Verified BuyerSize Purchased 3How it Fits True to SizeAge Range 45 - 54Bra Size 34B4 days agoSize Purchased 3How it Fits True to SizeAge Range 45 - 54Bra Size 34BReviewingSieve Non-Wire Bra in GraphiteLove!
So cute and comfy!