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320 products
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Bras + Underwear
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.
*411*
- 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.
Hand Wash
Hand wash in cold water and lay flat to dry to preserve the delicate micromesh fabric and fit.
Built for A Through G
The Sieve Non-Wire Bra is designed to provide comfortable, flexible support across a wide range of cup sizes. This style supports A through G cups through our standard numeric sizing (0–5) and extended cup sizing (1+–5+). Refer to our size chart to find your best fit.
Complete the Set
Pair the Sieve Non-Wire Bra with our Sieve Thong or Sieve String Thong for a coordinated everyday set. Made from the same sheer Belgian power micromesh, each piece offers lightweight breathability, a smooth fit, and barely-there comfort.
Fabric + Fit
Crafted from sheer Belgian power micromesh (74% nylon, 26% elastane), the Sieve Non-Wire Bra delivers lightweight, breathable comfort with flexible wireless support. Certified to OEKO-TEX® STANDARD 100, the fabric offers a smooth, barely-there feel with a transparent finish—nipples are visible. Rated 4.6 stars by 5,934 reviewers, this customer favorite is designed for everyday wear. To preserve the delicate fabric and fit, hand wash in cold water and dry flat.
FAQs
Q: What cup sizes does the Sieve Non-Wire Bra support?
A: The Sieve Non-Wire Bra supports A through G cups, with standard sizes 0–5 and extended cup sizes 1+ through 5+. Refer to our size chart to find your best fit.
Q: Is the Sieve Non-Wire Bra see-through?
A: Yes, the Sieve Non-Wire Bra is made from sheer Belgian power micromesh, so nipples are visible. The lightweight, breathable fabric provides a barely-there feel with comfortable wireless support.
Q: Can I machine wash this bra?
A: We recommend hand washing the Sieve Non-Wire Bra in cold water and laying it flat to dry. Machine washing is not recommended, as gentle care helps preserve the delicate micromesh fabric and fit.
Q: How does the 2-pack discount work?
A: When you purchase the Sieve Non-Wire Bra as a 2-pack, you'll receive a discounted price per bra compared to purchasing them individually. Simply select the 2-pack option when shopping.
Q: Is this bra padded or lined?
A: No, the Sieve Non-Wire Bra is unpadded and unlined, featuring sheer Belgian power micromesh for a lightweight, barely-there feel. Nipples are visible through the fabric.
*FABRIC*
- Made from a sheer Belgian power micromesh — nipples are visible
- A caramel-y sunrise desert sands affogato tone
- 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
Minimal visibility. Surprising support.
Our most-requested style. A refined T-back, front closure, wireless bra, in our best-selling Sieve power mesh.
*411*
- 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*
- Made from a sheer Belgian power micromesh — nipples are visible
- Buff is a caramel-y sunrise desert sands affogato tone.
- 74% Polyamide (Nylon) 26% Elastane (Spandex)
-
Certified Safe: OEKO-TEX® STANDARD 100 #23.HCN.86212 by Hohenstein HTTI
- Wireless
- Discreet metal front click closure and strap adjustment details
- Machine wash warm, hang dry, wear often
Low rise. Semi sheer mesh.
A low rise thong in our airy light, subtly sheer, naturally smoothing Belgian micromesh.
*411*
- Use this as a guide. If you prefer a looser fit, we recommend sizing up
*FABRIC*
- Belgian power micromesh is subtly sheer
- A caramel-y sunrise desert sands affogato tone
- 74% Polyamide (Nylon) 26% Elastane (Spandex)
- 100% Cotton gusset lining
-
Certified Safe: OEKO-TEX® STANDARD 100 #23.HCN.86212 by Hohenstein HTTI
- Wash on delicates/cold, dry flat
None of the padding. All the support.
Airy light and surprisingly strong — it’s not impossible, we made it.
*411*
- Made from a sheer Belgian power micromesh — nipples are visible
- Underwire bra with max comfort
- Velvety plush elastic underband
- Heat transferred care label = no itchy tags
*FABRIC*
- Sheer Belgian power micromesh is surprisingly supportive
- Unpadded and unlined — nipples can show depending on the person or the shirt
- 74% Polyamide (Nylon) 26% Elastane (Spandex)
- A caramel-y sunrise affogato desert sands tone
- Hand wash in warm water, dry flat
Ultra plush. Lounge bralette.
Featuring a scoop neckline, adjustable straps, and a pullover design in a luxuriously cozy ultra plush cotton waffle jacquard.
*411*
- Use this as a guide. Preference is a huge factor — the benefit of a non-wire is they’re super flexible, so you will likely fit in more than one size. Like a looser band? Size up! Like less coverage? Size down! Still unsure? Try two sizes :)
- Features a scoop neckline and adjustable strap sliders
- Meant to be worn as a lounge bra top vs a bra under clothes
*FABRIC*
- Cotton waffle jacquard with a high recovery to hold its shape
- Cream is a classic porcelain dish butter-white tone
- Smooth underside is gentle on skin (aka no imprints!)
- Pullover design means no hardware in the back band
- 98% Cotton, 2% Spandex
- Machine wash cold with like colors, turn inside out, tumble dry low
Impossibly soft. High leg. X3
Featuring a high thigh cut, cheeky bum, and faux fly grommet detail. This may be the pinnacle of cuteness. Pack of 3.
*411*
- Use this as a guide. If you prefer a looser fit, we recommend sizing up
*FABRIC*
- Wispy soft micro modal stretch fabric imported from Austria
- 3 Pack includes 1x Maritime, 1x Heather Grey, and 1x Black
- Maritime is a nautical rich blue pinstripe on a cream-white base
- Heather Grey is a classic and soothing overcast sky grey tone
- Black is a raven deep noir tone
-
Drop-needle stitch creates a subtle, vertical stripe effect
- 73% Micromodal, 17% Viscose, 10% Lycra
- 100% Cotton gusset lining
-
Certified Safe: OEKO-TEX® STANDARD 100 #23.HCN.86212 by Hohenstein HTTI
- Machine wash warm, no bleach, tumble dry low, cool iron, wear often.
Soft and stretchy, '80s vibes x3
A perfect 3 pack featuring White, Oat, and Buff. High cut in the thigh, cheeky bum, mid-rise front. Hello, instant elongation.
*411*
- Use this as a guide. If you’re on the cusp and prefer a looser fit, we recommend sizing up.
*FABRIC*
- 3 Pack includes 1x White, 1x Oat, and 1x Buff
-
White is a classic milky marble freshly-fallen-snow tone
-
Oat is a gentle beige freshly baked sourdough light taupe tone
- Buff is a caramel-y sunrise desert sands affogato tone
- 79% Cotton, 21% Elastane is breathable and flexible
- 100% Cotton gusset lining
- Machine wash warm, tumble dry low, wear often
Deep plunge neckline. High gloss sheen. X2
A wireless, ultra-luxe triangle bralette: comfortable for day, glam for night, perfect for always. Featuring Buff and Black in a 2-pack.
*411*
- Use this as a guide. Preference is a huge factor — the benefit of a non-wire is they’re super flexible, so you will likely fit in more than one size
- Depending on how much coverage you like, size up or down accordingly
*FABRIC*
- Ultra luxe Belgian stretch nylon with the glossy feel and sheen of silk
- 2 pack includes: 1x Buff and 1x Black
- Buff is a caramel-y sunrise desert sands affogato tone
- Black is a raven deep noir tone
- Double layered in the cups for extreme comfort
- Wide plush elastic band for added support
- Adjustable straps and hook & eye closure in the back
- Wireless
- 23% Lycra and 77% Nylon
-
Certified Safe: OEKO-TEX® STANDARD 100 #23.HCN.86212 by Hohenstein HTTI
- Machine wash warm, hang dry, wear often
Barely there thong. High gloss sheen. x3.
Our most minimal cut; disappears under anything and guaranteed to make you feel fancy. Pack of 3 featuring Buff, Shell, and Black.
*411*
- Use this as a guide - if you prefer a looser fit, we recommend sizing up
*FABRIC*
- Ultra luxe Belgian stretch nylon with the glossy feel and sheen of silk
- 3 Pack includes 1x Buff, 1x Shell, 1x Black
- Buff is a caramel-y sunrise desert sands affogato tone
- Black is a raven deep noir tone
- Shell is a rose-tinted cherry blossom blush pink tone
- Thin elastic waistband won’t dig
- Our most minimal, seamless underwear option
- Can be worn around the hips or pulled high to the natural waistline
- 23% Lycra and 77% Nylon
- Certified Safe: OEKO-TEX® STANDARD 100 #23.HCN.86212 by Hohenstein HTTI
- Wash on delicates/cold, dry flat
Our most minimal bra. Second skin shine.
Our most minimal bra features a playful, bikini-inspired cut in our luxurious, ultra-smooth Glacé.
*411*
- 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.
- Our most minimal bra fit, perfect under a low scoop or sheer top.
- A seamless triangle shape with a narrow bottom band with adjustable straps and hook and eye clasp.
- Molded cups for an ultra-sleek look.
*FABRIC*
- Ultra-luxe Belgian stretch nylon with the glossy feel and sheen of silk
- Tuxedo is a classic porcelain dish butter-white tone with jet-black piping
- 77% Nylon / 23% Elastane
-
Certified Safe: OEKO-TEX® STANDARD 100 #23.HCN.86212 by Hohenstein HTTI
- Machine wash warm, hang dry, wear often
Barely there thong. High gloss sheen.
Under where? Our most minimal cut; seamless under anything and guaranteed to make you feel fancy.
*411*
- Use this as a guide - if you prefer a looser fit, we recommend sizing up
*FABRIC*
- Ultra luxe Belgian stretch nylon with the glossy feel and sheen of silk
- Tuxedo is a classic porcelain dish butter-white tone with jet-black piping
- Thin elastic waistband won’t dig
- Our most minimal, seamless underwear option
- Can be worn around the hips or pulled high to the natural waistline
- 23% Lycra and 77% Nylon
- Certified Safe: OEKO-TEX® STANDARD 100 #23.HCN.86212 by Hohenstein HTTI
- Wash on delicates/cold, dry flat
Surprising support. Deep v neckline.
Our signature Sieve mesh in a lower coverage triangle cut. Great shape - no pad or wire included.
*411*
- 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.
- Triangle cut has lower coverage in both the cups and the sides.
*FABRIC*
- Made from a sheer Belgian power micromesh — nipples are visible
- A caramel-y sunrise desert sands affogato tone
- 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
Barely there thong. High gloss sheen.
Under where? Our most minimal cut; seamless under anything and guaranteed to make you feel fancy.
*411*
- Use this as a guide - if you prefer a looser fit, we recommend sizing up
*FABRIC*
- Ultra luxe Belgian stretch nylon with the glossy feel and sheen of silk
- A caramel-y sunrise desert sands affogato tone
- Thin elastic waistband won’t dig
- Our most minimal, seamless underwear option
- Can be worn around the hips or pulled high to the natural waistline
- 23% Lycra and 77% Nylon
-
Certified Safe: OEKO-TEX® STANDARD 100 #23.HCN.86212 by Hohenstein HTTI
- Wash on delicates/cold, dry flat
Impossibly soft. High leg. X3
Featuring a high thigh cut, cheeky bum, and faux fly grommet detail. This may be the pinnacle of cuteness. Pack of 3 featuring White, Sand, and Black.
*411*
- Use this as a guide. If you prefer a looser fit, we recommend sizing up
*FABRIC*
- Wispy soft micro modal stretch fabric imported from Austria
- 3 Pack includes 1x White, 1x Sand, and 1x Black
- White is a classic milky marble freshly-fallen-snow tone
- Sand is a heathered creamy beige Italian coastline sandy tone
- Black is a raven deep noir tone
- Drop-needle stitch creates a subtle, vertical stripe effect
- 73% Micromodal, 17% Viscose, 10% Lycra
- 100% Cotton gusset lining
-
Certified Safe: OEKO-TEX® STANDARD 100 #23.HCN.86212 by Hohenstein HTTI
- Machine wash warm, no bleach, tumble dry low, cool iron, wear often.
Luxuriously soft. Lightweight feel. X3
A low rise boy short brief in a softer-than-soft luxe micromodal. The best underwear for sleep. Pack of 3.
*411*
- Use this as a guide. If you prefer a looser fit, we recommend sizing up
*FABRIC*
- Wispy soft micro modal stretch fabric imported from Austria
- 3 Pack includes 1x White, 1x Sand, and 1x Black
- White is a classic milky marble freshly-fallen-snow tone
- Sand is a heathered creamy beige Italian coastline sandy tone
- Black is a raven deep noir tone
- Drop-needle stitch creates a subtle, vertical stripe effect
- Diagonal princess seams at the front and back
- 73% Micromodal, 17% Viscose, 10% Lycra
- 100% Cotton gusset lining
- Certified Safe: OEKO-TEX® STANDARD 100 #23.HCN.86212 by Hohenstein HTTI
- Machine wash warm, no bleach, tumble dry low, cool iron, wear often