







Sieve Racerback Bra in Graphite
Sieve Racerback Bra
Minimal visibility. Surprising support.
Our most-requested style. A refined T-back, front closure, wireless bra, in our best-selling Sieve power mesh.
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Free US shipping on all orders from now through 12/31.
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.
- Single T-strap back for minimal visibility under racerback or cutaway tops
- Plunging deep-V front neckline with front click closure
- Metallic front closure clicks closed so you know you're secure
- Adjustable shoulder straps and a narrow, stretch-fit bottom band
Fabric + Care
- Made from a sheer Belgian power micromesh — nipples are visible
- Graphite is a steely carbon grey tone.
- 74% Polyamide (Nylon) 26% Elastane (Spandex)
- Wireless
- Discreet metal front click closure and strap adjustment details
- Machine wash warm, hang dry, wear often
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




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.
Btw, the size nomenclature has changed for Bra Tops. Here's the conversion:
XS=0, S=1, M=2, L=3, XL=4, XXL=5
Q’s about sizing or fit? Email us at hello@negativeunderwear.com

- Haley H.Verified BuyerSize Purchased 1How it Fits True to SizeAge Range 35 - 44Bra Size 32C3 minutes agoSize Purchased 1How it Fits True to SizeAge Range 35 - 44Bra Size 32CReviewingSieve Racerback Bra in SparkRated 5 out of 5 starsSieve mesh is the bomb
This is a very pretty bra, I really love the sieve material because my gold body jewelry looks glittery underneath
Was this helpful? - Jessica G.Verified BuyerSize Purchased 5How it Fits A Little SmallAge Range 35 - 44Bra Size 38D2 hours agoSize Purchased 5How it Fits A Little SmallAge Range 35 - 44Bra Size 38DReviewingSieve Racerback Bra in BuffRated 4 out of 5 starsComfy and stylish
Does the job. Hides nicely under white tank top and is very comfy.
Was this helpful? - Courtnie K.Verified BuyerSize Purchased 2How it Fits True to SizeAge Range 35 - 44Bra Size 32BYesterdaySize Purchased 2How it Fits True to SizeAge Range 35 - 44Bra Size 32BReviewingSieve Racerback Bra in SparkRated 5 out of 5 starsAnother Amazing Look
The thing is, as you all know, it feels as good as it looks. Another amazing piece by you guys
Was this helpful? - Kimberly D.Verified BuyerSize Purchased 3How it Fits True to SizeAge Range 55 - 64Bra Size 34DYesterdaySize Purchased 3How it Fits True to SizeAge Range 55 - 64Bra Size 34DReviewingSieve Racerback Bra in BuffRated 4 out of 5 starscomfort
comfortable,
Was this helpful? - Dana T.Verified BuyerSize Purchased 4How it Fits A Little BigAge Range 35 - 44Bra Size 34CYesterdaySize Purchased 4How it Fits A Little BigAge Range 35 - 44Bra Size 34CReviewingSieve Racerback Bra in BuffRated 3 out of 5 starsRuns big or the chart is not accurate.
Bought this according to the chart. I’m a 34 c/d and bought size 4. A lot of buckling on the cup. Gonna try the size 3. Only concern on this bra is sometimes racerbacks with the back Y this high give me a neck ache because they out pressure on a funky spot so the jury is out until I can try the right size.
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