Sieve Collection

Smooth, sheer and supportive in one perfect power micro mesh.

Sieve Collection

Smooth, sheer and supportive in one perfect power micro mesh.

Sieve Cutout Bra in CobaltSieve Cutout Bra in Cobalt (alternate view)
Sieve Cutout Bra in Cobalt
Sieve Cutout Bra in Cobalt
Sieve Cutout Bra in Cobalt
Sieve Cutout Bra in Cobalt$70+
Sieve Dipped Thong in CobaltSieve Dipped Thong in Cobalt (alternate view)
Sieve Dipped Thong in Cobalt
Sieve Dipped Thong in Cobalt
Sieve Dipped Thong in Cobalt
Sieve Dipped Thong in Cobalt$35
Sieve Bra Top in GarnetSieve Bra Top in Garnet (alternate view)
Sieve Bra Top in Garnet
Sieve Bra Top in Garnet
Sieve Bra Top in Garnet
Sieve Bra Top in Garnet$65+
Sieve Thong in GarnetSieve Thong in Garnet (alternate view)
Sieve Thong in Garnet
Sieve Thong in Garnet
Sieve Thong in Garnet
Sieve Thong in Garnet$32+
Sieve Non-Wire Bra in GarnetSieve Non-Wire Bra in Garnet (alternate view)
Sieve Non-Wire Bra in Garnet
Sieve Non-Wire Bra in Garnet
Sieve Non-Wire Bra in Garnet
Sieve Non-Wire Bra in Garnet$70+
Sieve Dipped Brief in GarnetSieve Dipped Brief in Garnet (alternate view)
Sieve Dipped Brief in Garnet
Sieve Dipped Brief in Garnet
Sieve Dipped Brief in Garnet

Sieve Dipped Brief in Garnet

Size
Color
Quantity
Size Chart

Underwear Sizing

Dress size: 0-2 2-4 6-8 10-12 12-14 16-18
Your full hip: 34.5-36" 36.5-38" 38.5-40.5" 41-42.5" 43-44.5" 45-46.5"
Negative size: XS S M L XL XXL

Q’s about sizing or fit? Email us at hello@negativeunderwear.com

Sieve Dipped Brief in Garnet$38
Available in 3 colors
Sieve Racerback Bra in SeaSieve Racerback Bra in Sea (alternate view)
Sieve Racerback Bra in Sea
Sieve Racerback Bra in Sea
Sieve Racerback Bra in Sea
Sieve Racerback Bra in Sea$70+
Sieve Dipped Thong in SeaSieve Dipped Thong in Sea (alternate view)
Sieve Dipped Thong in Sea
Sieve Dipped Thong in Sea
Sieve Dipped Thong in Sea
Sieve Dipped Thong in Sea$35
Sieve Non-Wire Bra in SeaSieve Non-Wire Bra in Sea (alternate view)
Sieve Non-Wire Bra in Sea
Sieve Non-Wire Bra in Sea
Sieve Non-Wire Bra in Sea
Sieve Non-Wire Bra in Sea$70+
Sieve Cutout Bra in BuffSieve Cutout Bra in Buff (alternate view)
Sieve Cutout Bra in Buff
Sieve Cutout Bra in Buff
Sieve Cutout Bra in Buff
Sieve Cutout Bra in Buff$70+
Sieve String Thong in BuffSieve String Thong in Buff (alternate view)
Sieve String Thong in Buff
Sieve String Thong in Buff
Sieve String Thong in Buff
Sieve String Thong in Buff$30
Sieve Non-Wire Bra in BuffSieve Non-Wire Bra in Buff (alternate view)
Sieve Non-Wire Bra in Buff
Sieve Non-Wire Bra in Buff
Sieve Non-Wire Bra in Buff
Sieve Non-Wire Bra in Buff$70+
Sieve Brief in BuffSieve Brief in Buff (alternate view)
Sieve Brief in Buff
Sieve Brief in Buff
Sieve Brief in Buff
Sieve Brief in Buff$35+
Sieve Dipped Brief in BuffSieve Dipped Brief in Buff (alternate view)
Sieve Dipped Brief in Buff
Sieve Dipped Brief in Buff
Sieve Dipped Brief in Buff

Sieve Dipped Brief in Buff

Size
Color
Quantity
Size Chart

Underwear Sizing

Dress size: 0-2 2-4 6-8 10-12 12-14 16-18
Your full hip: 34.5-36" 36.5-38" 38.5-40.5" 41-42.5" 43-44.5" 45-46.5"
Negative size: XS S M L XL XXL

Q’s about sizing or fit? Email us at hello@negativeunderwear.com

Sieve Dipped Brief in Buff$38
Available in 3 colors
Sieve Racerback Bra in BuffSieve Racerback Bra in Buff (alternate view)
Sieve Racerback Bra in Buff
Sieve Racerback Bra in Buff
Sieve Racerback Bra in Buff
Sieve Racerback Bra in Buff$70+
Sieve Thong in BuffSieve Thong in Buff (alternate view)
Sieve Thong in Buff
Sieve Thong in Buff
Sieve Thong in Buff
Sieve Thong in Buff$32+
Sieve Triangle Bra in BuffSieve Triangle Bra in Buff (alternate view)
Sieve Triangle Bra in Buff
Sieve Triangle Bra in Buff
Sieve Triangle Bra in Buff
Sieve Triangle Bra in Buff$70+
Sieve Dipped Thong in BuffSieve Dipped Thong in Buff (alternate view)
Sieve Dipped Thong in Buff
Sieve Dipped Thong in Buff
Sieve Dipped Thong in Buff
Sieve Dipped Thong in Buff$35
Sieve Demi Bra in BuffSieve Demi Bra in Buff (alternate view)
Sieve Demi Bra in Buff
Sieve Demi Bra in Buff
Sieve Demi Bra in Buff
Sieve Demi Bra in Buff$78
Sieve Demi Bra in BabeSieve Demi Bra in Babe (alternate view)
Sieve Demi Bra in Babe
Sieve Demi Bra in Babe
Sieve Demi Bra in Babe
Sieve Demi Bra in Babe$78
Sieve Thong in BabeSieve Thong in Babe (alternate view)
Sieve Thong in Babe
Sieve Thong in Babe
Sieve Thong in Babe
Sieve Thong in Babe$32+
Sieve Racerback Bra in BabeSieve Racerback Bra in Babe (alternate view)
Sieve Racerback Bra in Babe
Sieve Racerback Bra in Babe
Sieve Racerback Bra in Babe
Sieve Racerback Bra in Babe$70+
Sieve String Thong in BabeSieve String Thong in Babe (alternate view)
Sieve String Thong in Babe
Sieve String Thong in Babe
Sieve String Thong in Babe
Sieve String Thong in Babe$30
Sieve Non-Wire Bra in BabeSieve Non-Wire Bra in Babe (alternate view)
Sieve Non-Wire Bra in Babe
Sieve Non-Wire Bra in Babe
Sieve Non-Wire Bra in Babe
Sieve Non-Wire Bra in Babe$70+
Sieve Cutout Bra in BlackSieve Cutout Bra in Black (alternate view)
Sieve Cutout Bra in Black
Sieve Cutout Bra in Black
Sieve Cutout Bra in Black
Sieve Cutout Bra in Black$70+
Sieve Dipped Thong in BlackSieve Dipped Thong in Black (alternate view)
Sieve Dipped Thong in Black
Sieve Dipped Thong in Black
Sieve Dipped Thong in Black
Sieve Dipped Thong in Black$35
Sieve Dipped Brief in BlackSieve Dipped Brief in Black (alternate view)
Sieve Dipped Brief in Black
Sieve Dipped Brief in Black
Sieve Dipped Brief in Black

Sieve Dipped Brief in Black

Size
Color
Quantity
Size Chart

Underwear Sizing

Dress size: 0-2 2-4 6-8 10-12 12-14 16-18
Your full hip: 34.5-36" 36.5-38" 38.5-40.5" 41-42.5" 43-44.5" 45-46.5"
Negative size: XS S M L XL XXL

Q’s about sizing or fit? Email us at hello@negativeunderwear.com

Sieve Dipped Brief in Black$38
Available in 3 colors
Sieve Dipped Thong in VioletSieve Dipped Thong in Violet (alternate view)
Sieve Dipped Thong in Violet
Sieve Dipped Thong in Violet
Sieve Dipped Thong in Violet
Sieve Dipped Thong in Violet$35
Sieve Thong in OrchidSieve Thong in Orchid (alternate view)
Sieve Thong in Orchid
Sieve Thong in Orchid
Sieve Thong in Orchid
Sieve Thong in Orchid$32+
Sieve Thong in GlacierSieve Thong in Glacier (alternate view)
Sieve Thong in Glacier
Sieve Thong in Glacier
Sieve Thong in Glacier
Sieve Thong in Glacier$32+
Sieve Racerback Bra in GlacierSieve Racerback Bra in Glacier (alternate view)
Sieve Racerback Bra in Glacier
Sieve Racerback Bra in Glacier
Sieve Racerback Bra in Glacier
Sieve Racerback Bra in Glacier$70+
Shell Pasties in BabeShell Pasties in Babe (alternate view)
Shell Pasties in Babe
Shell Pasties in Babe
Shell Pasties in Babe
Shell Pasties in Babe$25
Sieve Non-Wire Bra in Buff + WhiteSieve Non-Wire Bra in Buff + White (alternate view)
Sieve Non-Wire Bra in Buff + White
Sieve Non-Wire Bra in Buff + White
Sieve Non-Wire Bra in Buff + White
Sieve Non-Wire Bra in Buff + White$70+
Sieve High Brief in Buff + WhiteSieve High Brief in Buff + White (alternate view)
Sieve High Brief in Buff + White
Sieve High Brief in Buff + White
Sieve High Brief in Buff + White

Glacé String Bikini in Black

Size
Color
Quantity
Size Chart

Underwear Sizing

Dress size: 0-2 2-4 6-8 10-12 12-14 16-18
Your full hip: 34.5-36" 36.5-38" 38.5-40.5" 41-42.5" 43-44.5" 45-46.5"
Negative size: XS S M L XL XXL

Q’s about sizing or fit? Email us at hello@negativeunderwear.com

Sieve High Brief in Buff + White$50
Available in 2 colors
Sieve Triangle Bra in Buff + WhiteSieve Triangle Bra in Buff + White (alternate view)
Sieve Triangle Bra in Buff + White
Sieve Triangle Bra in Buff + White
Sieve Triangle Bra in Buff + White
Sieve Triangle Bra in Buff + White$70+
Sieve Thong in Buff + WhiteSieve Thong in Buff + White (alternate view)
Sieve Thong in Buff + White
Sieve Thong in Buff + White
Sieve Thong in Buff + White
Sieve Thong in Buff + White$32+
Sieve Cutout Bra in Buff + WhiteSieve Cutout Bra in Buff + White (alternate view)
Sieve Cutout Bra in Buff + White
Sieve Cutout Bra in Buff + White
Sieve Cutout Bra in Buff + White
Sieve Cutout Bra in Buff + White$70+
Sieve String Thong in Buff + WhiteSieve String Thong in Buff + White (alternate view)
Sieve String Thong in Buff + White
Sieve String Thong in Buff + White
Sieve String Thong in Buff + White
Sieve String Thong in Buff + White$30
Sieve High Brief in BlackSieve High Brief in Black (alternate view)
Sieve High Brief in Black
Sieve High Brief in Black
Sieve High Brief in Black

Sieve High Brief in Black

Size
Color
Quantity
Size Chart

Underwear Sizing

Dress size: 0-2 2-4 6-8 10-12 12-14 16-18
Your full hip: 34.5-36" 36.5-38" 38.5-40.5" 41-42.5" 43-44.5" 45-46.5"
Negative size: XS S M L XL XXL

Q’s about sizing or fit? Email us at hello@negativeunderwear.com

Sieve High Brief in Black$50
Available in 2 colors
Low Stock
Sieve Non-Wire Bra in BlackSieve Non-Wire Bra in Black (alternate view)
Sieve Non-Wire Bra in Black
Sieve Non-Wire Bra in Black
Sieve Non-Wire Bra in Black
Sieve Non-Wire Bra in Black$70+
Sieve Thong in Drip (Pack)Sieve Thong in Drip (Pack) (alternate view)
Sieve Thong in Drip (Pack)
Sieve Thong in Drip (Pack)
Sieve Thong in Drip (Pack)
Sieve Thong in Drip (Pack)$160 $136
Sieve Longline Bra in BabeSieve Longline Bra in Babe (alternate view)
Sieve Longline Bra in Babe
Sieve Longline Bra in Babe
Sieve Longline Bra in Babe
Sieve Longline Bra in Babe$70
Sieve Cutout Bra in VioletSieve Cutout Bra in Violet (alternate view)
Sieve Cutout Bra in Violet
Sieve Cutout Bra in Violet
Sieve Cutout Bra in Violet
Sieve Cutout Bra in Violet$70+
Sieve Cutout Bra in Bronze SparkSieve Cutout Bra in Bronze Spark (alternate view)
Sieve Cutout Bra in Bronze Spark
Sieve Cutout Bra in Bronze Spark
Sieve Cutout Bra in Bronze Spark
Sieve Cutout Bra in Bronze Spark$70+
Sieve Dipped Thong in Bronze SparkSieve Dipped Thong in Bronze Spark (alternate view)
Sieve Dipped Thong in Bronze Spark
Sieve Dipped Thong in Bronze Spark
Sieve Dipped Thong in Bronze Spark
Sieve Dipped Thong in Bronze Spark$35
Sieve Thong in BlackSieve Thong in Black (alternate view)
Sieve Thong in Black
Sieve Thong in Black
Sieve Thong in Black
Sieve Thong in Black$32+
Sieve Brief in BlackSieve Brief in Black (alternate view)
Sieve Brief in Black
Sieve Brief in Black
Sieve Brief in Black
Sieve Brief in Black$35+
Sieve Thong in Cool (Pack)Sieve Thong in Cool (Pack) (alternate view)
Sieve Thong in Cool (Pack)
Sieve Thong in Cool (Pack)
Sieve Thong in Cool (Pack)
Sieve Thong in Cool (Pack)$160 $136
Sieve Non-Wire Bra in WhiteSieve Non-Wire Bra in White (alternate view)
Sieve Non-Wire Bra in White
Sieve Non-Wire Bra in White
Sieve Non-Wire Bra in White
Sieve Non-Wire Bra in White$70+
Sieve Thong in WhiteSieve Thong in White (alternate view)
Sieve Thong in White
Sieve Thong in White
Sieve Thong in White
Sieve Thong in White$32+
Sieve Cutout Bra in NavySieve Cutout Bra in Navy (alternate view)
Sieve Cutout Bra in Navy
Sieve Cutout Bra in Navy
Sieve Cutout Bra in Navy
Sieve Cutout Bra in Navy$70+
Sieve Thong in NavySieve Thong in Navy (alternate view)
Sieve Thong in Navy
Sieve Thong in Navy
Sieve Thong in Navy
Sieve Thong in Navy$32+
Sieve Cutout Bra in GraphiteSieve Cutout Bra in Graphite (alternate view)
Sieve Cutout Bra in Graphite
Sieve Cutout Bra in Graphite
Sieve Cutout Bra in Graphite
Sieve Cutout Bra in Graphite$70+
Sieve Thong in GraphiteSieve Thong in Graphite (alternate view)
Sieve Thong in Graphite
Sieve Thong in Graphite
Sieve Thong in Graphite
Sieve Thong in Graphite$32+
Sieve Triangle Bra in SlateSieve Triangle Bra in Slate (alternate view)
Sieve Triangle Bra in Slate
Sieve Triangle Bra in Slate
Sieve Triangle Bra in Slate
Sieve Triangle Bra in Slate$70+
Sieve Thong in SlateSieve Thong in Slate (alternate view)
Sieve Thong in Slate
Sieve Thong in Slate
Sieve Thong in Slate
Sieve Thong in Slate$32+
Sieve Non-Wire Bra in SlateSieve Non-Wire Bra in Slate (alternate view)
Sieve Non-Wire Bra in Slate
Sieve Non-Wire Bra in Slate
Sieve Non-Wire Bra in Slate
Sieve Non-Wire Bra in Slate$70+
Sieve Non-Wire Bra Custom 2-PackSieve Non-Wire Bra Custom 2-Pack (alternate view)
Sieve Non-Wire Bra Custom 2-Pack
Sieve Non-Wire Bra Custom 2-Pack
Sieve Non-Wire Bra Custom 2-Pack
Sieve Non-Wire Bra Custom 2-Pack$140 $119
Sieve Thong Custom 2-PackSieve Thong Custom 2-Pack (alternate view)
Sieve Thong Custom 2-Pack
Sieve Thong Custom 2-Pack
Sieve Thong Custom 2-Pack
Sieve Thong Custom 2-Pack$64 $54
Sieve Racerback Bra in GraphiteSieve Racerback Bra in Graphite (alternate view)
Sieve Racerback Bra in Graphite
Sieve Racerback Bra in Graphite
Sieve Racerback Bra in Graphite
Sieve Racerback Bra in Graphite$70+

When it comes to wireless bras with support, Sieve is our favorite fabric. Our Belgian power micromesh makes the most supportive bras, all the bulk of extra padding or lining. This fabric is as close as it comes to magic — it’s comfortable, smoothing, sexy and sheer, and does an incredible job providing lift and shape.

We make a variety of best support bras — starting with our #1 best selling style, our Sieve Non-Wire Bra. If you’re interested in wirefree comfort and a deep v plunge neckline, the Sieve Triangle Bra is the perfect match. Lastly, for our most supportive style, our Sieve Demi Bra provides the same airy light feel, with lots of support, and the extra shaping and lift of an underwire. These styles are beloved by DDD and G cups and from 30 to 42 bands. Don’t be fooled by their minimalist aesthetic, these bras do a lot with a little. Trust us, you’ll be surprised at the strength of a power micromesh ;) We sure were when we first discovered it, and today, these styles have over thousands of 5 star reviews for a reason.

Don’t forget to complete your set with our Sieve underwear bottoms — from high waist briefs to low rise thongs, we have a perfect match.

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