Sale Thongs

20% off ALL Sieve styles, automatically applied at checkout. Additional markdowns price slashed and tagged SALE are up to 50% off at checkout.

Sale Thongs

20% off ALL Sieve styles, automatically applied at checkout. Additional markdowns price slashed and tagged SALE are up to 50% off at checkout.

 (alternate view)

Sieve Thong in Buff + White

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 Thong in Buff + White $32 +
Available in 14 colors
 (alternate view)

Sieve String Thong in Buff + White

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 String Thong in Buff + White $30
Available in 5 colors
 (alternate view)

Sieve Thong 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 Thong in Buff $32 +
Available in 14 colors
 (alternate view)

Sieve String Thong 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 String Thong in Buff $30
Available in 5 colors
 (alternate view)

Sieve Thong in Buff + 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 Thong in Buff + Black $32 +
Available in 14 colors
 (alternate view)

Sieve Thong 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 Thong in Black $32 +
Available in 14 colors
 (alternate view)

Sieve String Thong 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 String Thong in Black $30
Available in 5 colors
 (alternate view)

Sieve Thong in White

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 Thong in White $32 +
Available in 14 colors
 (alternate view)

Sieve String Thong in White

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 String Thong in White $30
Available in 5 colors
 (alternate view)

Sieve Thong in Slate

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 Thong in Slate $32 +
Available in 14 colors
 (alternate view)

Sieve Thong in Glacier

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 Thong in Glacier $32 +
Available in 14 colors
 (alternate view)

Sieve Thong in Graphite

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 Thong in Graphite $32 +
Available in 14 colors
 (alternate view)

Sieve Thong in Peach

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 Thong in Peach $32 +
Available in 14 colors
 (alternate view)

Sieve Thong in Coral

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 Thong in Coral $32 +
Available in 14 colors
 (alternate view)

Sieve Thong in Punch

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 Thong in Punch $32 +
Available in 14 colors
 (alternate view)

Sieve Thong in Orchid

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 Thong in Orchid $32 +
Available in 14 colors
 (alternate view)

Sieve Trim High Thong 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 Trim High Thong in Black $40
 (alternate view)

Sieve Thong in Babe

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 Thong in Babe $32 +
Available in 14 colors
 (alternate view)

Sieve Dipped Thong in Bronze Spark

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 Thong in Bronze Spark $35
Available in 4 colors
 (alternate view)

Sieve Dipped Thong 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 Thong in Buff $35
Available in 4 colors
 (alternate view)

Sieve Dipped Thong in Cherry

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 Thong in Cherry $35
Available in 4 colors
 (alternate view)

Sieve Dipped Thong in Violet

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 Thong in Violet $35
Available in 4 colors