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The Sieve Collection

Our #1 fabrication: super supportive, naturally smoothing, lightweight, semi-sheer. Sourced from a luxury mill in Belgium, our Sieve power mesh might just be magic.

The Sieve Collection

Our #1 fabrication: super supportive, naturally smoothing, lightweight, semi-sheer. Sourced from a luxury mill in Belgium, our Sieve power mesh might just be magic.

Wireless

Wire-free comfort meets surprising support. From plunge necklines to sporty pullovers, we make a non-wire for every need.

Sieve Non-Wire Bra in Black Sieve Non-Wire Bra in Black (alternate view) Sieve Non-Wire Bra in Black $65 +
Available in 13 colors
Sieve Triangle Bra in Buff Sieve Triangle Bra in Buff (alternate view) Sieve Triangle Bra in Buff $65 +
Available in 12 colors
Sieve Cutout Bra in White Sieve Cutout Bra in White (alternate view) Sieve Cutout Bra in White $68 +
Available in 11 colors
Sieve Non-Wire Bra in Buff Sieve Non-Wire Bra in Buff (alternate view) Sieve Non-Wire Bra in Buff $65 +
Available in 13 colors
Sieve Non-Wire Bra in Slate Sieve Non-Wire Bra in Slate (alternate view) Sieve Non-Wire Bra in Slate $65 +
Available in 13 colors
Sieve Non-Wire Bra in Peach Sieve Non-Wire Bra in Peach (alternate view) Sieve Non-Wire Bra in Peach $65 +
Available in 13 colors
Sieve Triangle Bra in Black Sieve Triangle Bra in Black (alternate view) Sieve Triangle Bra in Black $65 +
Available in 12 colors
Sieve Non-Wire Bra in Buff + Black Sieve Non-Wire Bra in Buff + Black (alternate view) Sieve Non-Wire Bra in Buff + Black $65 +
Available in 13 colors
Sieve Bra Top in Black Sieve Bra Top in Black (alternate view) Sieve Bra Top in Black $65 +
Available in 8 colors
Sieve Triangle Bra in Slate Sieve Triangle Bra in Slate (alternate view) Sieve Triangle Bra in Slate $65 +
Available in 12 colors
Sale
Sieve Non-Wire Bra in Haze Sieve Non-Wire Bra in Haze (alternate view) Sieve Non-Wire Bra in Haze $65 $45 +
Available in 2 colors
Sieve Triangle Bra in Buff + White Sieve Triangle Bra in Buff + White (alternate view) Sieve Triangle Bra in Buff + White $65 +
Available in 12 colors
Sale
Sieve Non-Wire Bra in Moon Sieve Non-Wire Bra in Moon (alternate view) Sieve Non-Wire Bra in Moon $65 $45
Available in 2 colors
Sieve Bra Top in Buff Sieve Bra Top in Buff (alternate view) Sieve Bra Top in Buff $65 +
Available in 8 colors
Sieve Triangle Bra in Buff + Black Sieve Triangle Bra in Buff + Black (alternate view) Sieve Triangle Bra in Buff + Black $65 +
Available in 12 colors
Sieve Non-Wire Bra in Coral Sieve Non-Wire Bra in Coral (alternate view) Sieve Non-Wire Bra in Coral $65 +
Available in 13 colors
Sieve Triangle Bra in Coral Sieve Triangle Bra in Coral (alternate view) Sieve Triangle Bra in Coral $65 +
Available in 12 colors
Sieve Bra Top in Buff + White Sieve Bra Top in Buff + White (alternate view) Sieve Bra Top in Buff + White $65 +
Available in 8 colors
Sieve Triangle Bra in Peach Sieve Triangle Bra in Peach (alternate view) Sieve Triangle Bra in Peach $65 +
Available in 12 colors
Sale
Sieve Triangle Bra in Haze Sieve Triangle Bra in Haze (alternate view) Sieve Triangle Bra in Haze $65 $45 +
Available in 2 colors
Sieve Cutout Bra in Black Sieve Cutout Bra in Black (alternate view) Sieve Cutout Bra in Black $68 +
Available in 11 colors
Sale
Sieve Triangle Bra in Moon Sieve Triangle Bra in Moon (alternate view) Sieve Triangle Bra in Moon $65 $45 +
Available in 2 colors
Sieve Non-Wire Bra in Navy Sieve Non-Wire Bra in Navy (alternate view) Sieve Non-Wire Bra in Navy $65 +
Available in 13 colors
Sieve Cutout Bra in Buff Sieve Cutout Bra in Buff (alternate view) Sieve Cutout Bra in Buff $68 +
Available in 11 colors
Sieve Non-Wire Bra in White Sieve Non-Wire Bra in White (alternate view) Sieve Non-Wire Bra in White $65 +
Available in 13 colors
Sieve Triangle Bra in Navy Sieve Triangle Bra in Navy (alternate view) Sieve Triangle Bra in Navy $65 +
Available in 12 colors
Sieve Cutout Bra in Coral Sieve Cutout Bra in Coral (alternate view) Sieve Cutout Bra in Coral $68 +
Available in 11 colors
Sieve Bra Top in Peach Sieve Bra Top in Peach (alternate view) Sieve Bra Top in Peach $65 +
Available in 8 colors
Sieve Triangle Bra in White Sieve Triangle Bra in White (alternate view) Sieve Triangle Bra in White $65 +
Available in 12 colors
Sieve Bra Top in Navy Sieve Bra Top in Navy (alternate view) Sieve Bra Top in Navy $65 +
Available in 8 colors
Sieve Triangle Bra in Coral + White Sieve Triangle Bra in Coral + White (alternate view) Sieve Triangle Bra in Coral + White $65 +
Available in 12 colors
Sieve Cutout Bra in Buff + White Sieve Cutout Bra in Buff + White (alternate view) Sieve Cutout Bra in Buff + White $68 +
Available in 11 colors
Sieve Non-Wire Bra in Cherry Sieve Non-Wire Bra in Cherry (alternate view) Sieve Non-Wire Bra in Cherry $65 +
Available in 13 colors
Sieve Triangle Bra in Cherry Sieve Triangle Bra in Cherry (alternate view) Sieve Triangle Bra in Cherry $65 +
Available in 12 colors
Sieve Cutout Bra in Peach Sieve Cutout Bra in Peach (alternate view) Sieve Cutout Bra in Peach $68 +
Available in 11 colors
Sieve Cutout Bra in Navy Sieve Cutout Bra in Navy (alternate view) Sieve Cutout Bra in Navy $68 +
Available in 11 colors
Sieve Cutout Bra in Graphite Sieve Cutout Bra in Graphite (alternate view) Sieve Cutout Bra in Graphite $68 +
Available in 11 colors
Sieve Cutout Bra in Slate Sieve Cutout Bra in Slate (alternate view) Sieve Cutout Bra in Slate $68 +
Available in 11 colors
Sieve Non-Wire Bra in Buff + White Sieve Non-Wire Bra in Buff + White (alternate view) Sieve Non-Wire Bra in Buff + White $65 +
Available in 13 colors
Sieve Bra Top in Graphite Sieve Bra Top in Graphite (alternate view) Sieve Bra Top in Graphite $65 +
Available in 8 colors
Sieve Non-Wire Bra in Graphite Sieve Non-Wire Bra in Graphite (alternate view) Sieve Non-Wire Bra in Graphite $65 +
Available in 13 colors
Sieve Non-Wire Bra in White Boa Sieve Non-Wire Bra in White Boa (alternate view) Sieve Non-Wire Bra in White Boa $68 +
Available in 13 colors
Sieve Triangle Bra in White Boa Sieve Triangle Bra in White Boa (alternate view) Sieve Triangle Bra in White Boa $68 +
Available in 12 colors
Sieve Cutout Bra in Cherry Sieve Cutout Bra in Cherry (alternate view) Sieve Cutout Bra in Cherry $68 +
Available in 11 colors
Sieve Non-Wire Bra in Glacier Sieve Non-Wire Bra in Glacier (alternate view) Sieve Non-Wire Bra in Glacier $65 +
Available in 13 colors
Sieve Cutout Bra in Buff Boa Sieve Cutout Bra in Buff Boa (alternate view) Sieve Cutout Bra in Buff Boa $68 +
Available in 11 colors
Sieve Trim Bralette in Cherry Sieve Trim Bralette in Cherry (alternate view) Sieve Trim Bralette in Cherry $68
Available in 3 colors
Sieve Trim Bralette in Buff Boa Sieve Trim Bralette in Buff Boa (alternate view) Sieve Trim Bralette in Buff Boa $68
Available in 3 colors

Underwire

Airy light yet surprisingly strong, with a flexible underwire for a little extra shape + support.

Sieve Demi Bra in Buff Sieve Demi Bra in Buff (alternate view) Sieve Demi Bra in Buff $75
Available in 4 colors
Sieve Demi Bra in Black Sieve Demi Bra in Black (alternate view) Sieve Demi Bra in Black $75
Available in 4 colors
Sieve Demi Bra in Slate Sieve Demi Bra in Slate (alternate view) Sieve Demi Bra in Slate $75
Available in 4 colors
Sieve Demi Bra in Peach Sieve Demi Bra in Peach (alternate view) Sieve Demi Bra in Peach $75
Available in 4 colors

ALL IN THE DETAILS

ALL IN THE DETAILS Photo 1
ALL IN THE DETAILS Photo 2
ALL IN THE DETAILS Photo 3
ALL IN THE DETAILS Photo 4

ALL IN THE DETAILS

We tried and tested every mesh we could get our hands on until we found the one: it had to be soft on skin, lightweight yet supportive, and a premium quality that would hold up hundreds of wears and washes later.

Briefs

Whether you do low rise or high rise, our signature power micromesh keeps it all held and smooth.

Sieve Brief in Black Sieve Brief in Black (alternate view) Sieve Brief in Black $35 +
Available in 8 colors
Sale
Sieve High-Waist Brief in Haze Sieve High-Waist Brief in Haze (alternate view) Sieve High-Waist Brief in Haze $45 $27 +
Available in 2 colors
Sieve Brief in Peach Sieve Brief in Peach (alternate view) Sieve Brief in Peach $35 +
Available in 8 colors
Sieve High-Waist Brief in Peach Sieve High-Waist Brief in Peach (alternate view) Sieve High-Waist Brief in Peach $45 +
Available in 12 colors
Sieve High-Waist Brief in Buff Sieve High-Waist Brief in Buff (alternate view) Sieve High-Waist Brief in Buff $45 +
Available in 12 colors
Sieve High-Waist Brief in Buff + White Sieve High-Waist Brief in Buff + White (alternate view) Sieve High-Waist Brief in Buff + White $45 +
Available in 12 colors
Sieve High-Waist Brief in Buff + Black Sieve High-Waist Brief in Buff + Black (alternate view) Sieve High-Waist Brief in Buff + Black $45 +
Available in 12 colors
Sieve Brief in Buff Sieve Brief in Buff (alternate view) Sieve Brief in Buff $35 +
Available in 8 colors
Sieve High-Waist Brief in Coral Sieve High-Waist Brief in Coral (alternate view) Sieve High-Waist Brief in Coral $45 +
Available in 12 colors
Sieve Brief in Coral Sieve Brief in Coral (alternate view) Sieve Brief in Coral $35 +
Available in 8 colors
Sieve Brief in Slate Sieve Brief in Slate (alternate view) Sieve Brief in Slate $35 +
Available in 8 colors
Sieve High-Waist Brief in Slate Sieve High-Waist Brief in Slate (alternate view) Sieve High-Waist Brief in Slate $45 +
Available in 12 colors
Sieve Brief in Navy Sieve Brief in Navy (alternate view) Sieve Brief in Navy $35 +
Available in 8 colors
Sieve High-Waist Brief in Navy Sieve High-Waist Brief in Navy (alternate view) Sieve High-Waist Brief in Navy $45 +
Available in 12 colors
Sieve High-Waist Brief in Black Sieve High-Waist Brief in Black (alternate view) Sieve High-Waist Brief in Black $45 +
Available in 12 colors
Sale
Sieve Brief in Haze Sieve Brief in Haze (alternate view) Sieve Brief in Haze $35 $22
Available in 2 colors
Sieve High-Waist Brief in White Sieve High-Waist Brief in White (alternate view) Sieve High-Waist Brief in White $45 +
Available in 12 colors
Sale
Sieve High-Waist Brief in Moon Sieve High-Waist Brief in Moon (alternate view) Sieve High-Waist Brief in Moon $45 $27 +
Available in 2 colors
Sale
Sieve Brief in Moon Sieve Brief in Moon (alternate view) Sieve Brief in Moon $35 $22
Available in 2 colors
Sieve High-Waist Brief in Cherry Sieve High-Waist Brief in Cherry (alternate view) Sieve High-Waist Brief in Cherry $45 +
Available in 12 colors
Sieve High-Waist Brief in Graphite Sieve High-Waist Brief in Graphite (alternate view) Sieve High-Waist Brief in Graphite $45 +
Available in 12 colors
Sieve Brief in White Boa Sieve Brief in White Boa (alternate view) Sieve Brief in White Boa $35 +
Available in 8 colors
Sieve High-Waist Brief in Glacier Sieve High-Waist Brief in Glacier (alternate view) Sieve High-Waist Brief in Glacier $45 +
Available in 12 colors
Sieve Brief in Buff Boa Sieve Brief in Buff Boa (alternate view) Sieve Brief in Buff Boa $35 +
Available in 8 colors

Thongs

The perfect everyday thongs are comfortable, breathable, and semi-sheer.

Sieve Thong in Buff + Black Sieve Thong in Buff + Black (alternate view) Sieve Thong in Buff + Black $32 +
Available in 15 colors
Sieve Thong in Navy Sieve Thong in Navy (alternate view) Sieve Thong in Navy $32 +
Available in 15 colors
Sieve Thong in Coral Sieve Thong in Coral (alternate view) Sieve Thong in Coral $32 +
Available in 15 colors
Sieve Thong in Black Sieve Thong in Black (alternate view) Sieve Thong in Black $32 +
Available in 15 colors
Sieve Thong in Slate Sieve Thong in Slate (alternate view) Sieve Thong in Slate $32 +
Available in 15 colors
Sieve Thong in Buff Sieve Thong in Buff (alternate view) Sieve Thong in Buff $32 +
Available in 15 colors
Sieve Thong in Buff + White Sieve Thong in Buff + White (alternate view) Sieve Thong in Buff + White $32 +
Available in 15 colors
Sale
Sieve Thong in Haze Sieve Thong in Haze (alternate view) Sieve Thong in Haze $32 $22
Available in 2 colors
Sold Out
Sale
Sieve Thong in Moon Sieve Thong in Moon (alternate view) Sieve Thong in Moon $32 $20
Available in 2 colors
Sieve Thong in White Sieve Thong in White (alternate view) Sieve Thong in White $32 +
Available in 15 colors
Sieve Thong in Peach Sieve Thong in Peach (alternate view) Sieve Thong in Peach $32 +
Available in 15 colors
Sieve Thong in Coral + White Sieve Thong in Coral + White (alternate view) Sieve Thong in Coral + White $32 +
Available in 15 colors
Sieve Thong in Cherry Sieve Thong in Cherry (alternate view) Sieve Thong in Cherry $32 +
Available in 15 colors
Sieve String Thong in Black Sieve String Thong in Black (alternate view) Sieve String Thong in Black $30
Available in 8 colors
Sieve String Thong in White Sieve String Thong in White (alternate view) Sieve String Thong in White $30
Available in 8 colors
Sieve String Thong in Peach Sieve String Thong in Peach (alternate view) Sieve String Thong in Peach $30
Available in 8 colors
Sieve String Thong in Slate Sieve String Thong in Slate (alternate view) Sieve String Thong in Slate $30
Available in 8 colors
Sieve String Thong in Buff Sieve String Thong in Buff (alternate view) Sieve String Thong in Buff $30
Available in 8 colors
Sieve String Thong in Coral Sieve String Thong in Coral (alternate view) Sieve String Thong in Coral $30
Available in 8 colors
Sieve String Thong in Navy Sieve String Thong in Navy (alternate view) Sieve String Thong in Navy $30
Available in 8 colors
Sieve String Thong in Buff + White Sieve String Thong in Buff + White (alternate view) Sieve String Thong in Buff + White $30
Available in 8 colors
Sieve Thong in Graphite Sieve Thong in Graphite (alternate view) Sieve Thong in Graphite $32 +
Available in 15 colors
Sieve Thong in White Boa Sieve Thong in White Boa (alternate view) Sieve Thong in White Boa $32 +
Available in 15 colors
Sieve Trim High Thong in Cherry Sieve Trim High Thong in Cherry (alternate view) Sieve Trim High Thong in Cherry $40
Available in 3 colors
Sieve Trim High Thong in Black Sieve Trim High Thong in Black (alternate view) Sieve Trim High Thong in Black $40
Available in 3 colors
Sieve Thong in Glacier Sieve Thong in Glacier (alternate view) Sieve Thong in Glacier $32 +
Available in 15 colors
Sieve Trim High Thong in Buff Boa Sieve Trim High Thong in Buff Boa (alternate view) Sieve Trim High Thong in Buff Boa $40
Available in 3 colors
Sold Out
Sieve Thong in Punch Sieve Thong in Punch (alternate view) Sieve Thong in Punch $20
Available in 15 colors

RE: THE SIEVE NON-WIRE

RE: THE SIEVE NON-WIRE Photo 1
RE: THE SIEVE NON-WIRE Photo 2
RE: THE SIEVE NON-WIRE Photo 3
RE: THE SIEVE NON-WIRE Photo 4
RE: THE SIEVE NON-WIRE Photo 5

RE: THE SIEVE NON-WIRE

“I am obsessed. I have not taken this bra off since I put it on. It is so comfortable and is so sexy and I have told everyone to buy it.”
—LAUREN

@negativeunderwear