[ Black Underwear ]

Firm believers in all black underwear, all year round.

Black Underwear

Firm believers in all black underwear, all year round.

Sieve Thong in Black
Sieve Thong in Black
Sieve Thong in Black
Sieve Thong in Black $32 +
8 colors

Sieve Thong in Black

Size
Color
Quantity
Size Chart

Underwear Sizing

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

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

Glacé String Thong in Black
Glacé String Thong in Black
Glacé String Thong in Black
Glacé String Thong in Black $32 +
10 colors

Glacé String Thong in Black

Size
Color
Quantity
Size Chart

Underwear Sizing

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

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

Sieve String Thong in Black
Sieve String Thong in Black
Sieve String Thong in Black
Sieve String Thong in Black $30
3 colors

Sieve String Thong in Black

Size
Color
Quantity
Size Chart

Underwear Sizing

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

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

Whipped French Cut Brief in Black
Whipped French Cut Brief in Black
Whipped French Cut Brief in Black
Whipped French Cut Brief in Black $45 +
14 colors

Whipped French Cut Brief in Black

Size
Color
Quantity
Size Chart

Underwear Sizing

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

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

Whipped Boxer in Black
Whipped Boxer in Black
Whipped Boxer in Black
Whipped Boxer in Black $50 +
13 colors

Whipped Boxer in Black

Size
Color
Quantity
Size Chart

Underwear Sizing

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

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

Whipped High Rise in Black
Whipped High Rise in Black
Whipped High Rise in Black
Whipped High Rise in Black $45 +
2 colors

Whipped High Rise in Black

Size
Color
Quantity
Whipped Boy Short in Black
Whipped Boy Short in Black
Whipped Boy Short in Black
Whipped Boy Short in Black $45 +
5 colors

Whipped Boy Short in Black

Size
Color
Quantity
Size Chart

Underwear Sizing

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

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

Sieve High-Waist Brief in Black
Sieve High-Waist Brief in Black
Sieve High-Waist Brief in Black
Sieve High-Waist Brief in Black $32
7 colors

Sieve High-Waist Brief in Black

Size
Color
Quantity
Size Chart

Underwear Sizing

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

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

Eyelet Lace Thong in Black
Eyelet Lace Thong in Black
Eyelet Lace Thong in Black
Eyelet Lace Thong in Black $32
2 colors

Eyelet Lace Thong in Black

Size
Color
Quantity
Size Chart

Underwear Sizing

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

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

Glacé String Bikini in Black
Glacé String Bikini in Black
Glacé String Bikini in Black
Glacé String Bikini in Black $35 +
2 colors

Glacé String Bikini in Black

Size
Color
Quantity
Size Chart

Underwear Sizing

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

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

Serpente String Bikini in Black
Serpente String Bikini in Black
Serpente String Bikini in Black
Serpente String Bikini in Black $48

Serpente String Bikini in Black

Size
Color
Quantity
Size Chart

Underwear Sizing

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

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

Serpente String Thong in Black
Serpente String Thong in Black
Serpente String Thong in Black
Serpente String Thong in Black $42
3 colors

Serpente String Thong in Black

Size
Color
Size Chart

Underwear Sizing

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

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

Sieve High Brief in Black
Sieve High Brief in Black
Sieve High Brief in Black
Sieve High Brief in Black $50
3 colors

Sieve High Brief in Black

Size
Color
Quantity
Size Chart

Underwear Sizing

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

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

Whipped French Cut Brief in Black + White
Whipped French Cut Brief in Black + White
Whipped French Cut Brief in Black + White
Whipped French Cut Brief in Black + White $45 +
14 colors

Whipped French Cut Brief in Black + White

Size
Color
Quantity
Size Chart

Underwear Sizing

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

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

Cloud Cotton Thong in Black (Pack)
Cloud Cotton Thong in Black (Pack)
Cloud Cotton Thong in Black (Pack)
Cloud Cotton Thong in Black (Pack) $62
4 combinations

Cloud Cotton Thong in Black (Pack)

Size
Color
Quantity
Size Chart

Underwear Sizing

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

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

Sieve Thong in Buff + Black
Sieve Thong in Buff + Black
Sieve Thong in Buff + Black
Sieve Thong in Buff + Black $23
7 colors

Sieve Thong in Buff + Black

Size
Color
Quantity
Size Chart

Underwear Sizing

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

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

Cloud Cotton French Cut Brief in Black (Pack)
Cloud Cotton French Cut Brief in Black (Pack)
Cloud Cotton French Cut Brief in Black (Pack)
Cloud Cotton French Cut Brief in Black (Pack) $62
5 combinations

Cloud Cotton French Cut Brief in Black (Pack)

Size
Color
Quantity
Size Chart

Underwear Sizing

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

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

Sieve High-Waist Brief in Buff + Black
Sieve High-Waist Brief in Buff + Black
Sieve High-Waist Brief in Buff + Black
Sieve High-Waist Brief in Buff + Black $28
7 colors

Sieve High-Waist Brief in Buff + Black

Size
Color
Quantity
Size Chart

Underwear Sizing

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

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

Cloud Cotton String Bikini in Black (Pack)
Cloud Cotton String Bikini in Black (Pack)
Cloud Cotton String Bikini in Black (Pack)
Cloud Cotton String Bikini in Black (Pack) $58
3 combinations

Cloud Cotton String Bikini in Black (Pack)

Size
Color
Quantity
Size Chart

Underwear Sizing

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

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

Base High Thong in Black (Pack)
Base High Thong in Black (Pack)
Base High Thong in Black (Pack)
Base High Thong in Black (Pack) $68
4 combinations

Base High Thong in Black (Pack)

Size
Color
Quantity
Size Chart

Underwear Sizing

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

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

Base Boy Short in Black (Pack)
Base Boy Short in Black (Pack)
Base Boy Short in Black (Pack)
Base Boy Short in Black (Pack) $72
5 combinations

Base Boy Short in Black (Pack)

Size
Color
Quantity
Size Chart

Underwear Sizing

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

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

Base High Rise Brief in Black (Pack)
Base High Rise Brief in Black (Pack)
Base High Rise Brief in Black (Pack)
Base High Rise Brief in Black (Pack) $78
2 combinations

Base High Rise Brief in Black (Pack)

Size
Color
Quantity
Size Chart

Underwear Sizing

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

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

Cloud Cotton Low Thong in Black (Pack)
Cloud Cotton Low Thong in Black (Pack)
Cloud Cotton Low Thong in Black (Pack)
Cloud Cotton Low Thong in Black (Pack) $62
3 combinations

Cloud Cotton Low Thong in Black (Pack)

Size
Color
Quantity
Size Chart

Underwear Sizing

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

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

Sieve Dipped Thong in Black
Sieve Dipped Thong in Black
Sieve Dipped Thong in Black
Sieve Dipped Thong in Black $35
11 colors

Sieve Dipped Thong in Black

Size
Color
Quantity
Size Chart

Underwear Sizing

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

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

Cloud Cotton Boy Short in Black (Pack)
Cloud Cotton Boy Short in Black (Pack)
Cloud Cotton Boy Short in Black (Pack)
Cloud Cotton Boy Short in Black (Pack) $75
6 combinations

Cloud Cotton Boy Short in Black (Pack)

Size
Color
Quantity
Size Chart

Underwear Sizing

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

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

Base Low Thong in Black (Pack)
Base Low Thong in Black (Pack)
Base Low Thong in Black (Pack) $68
3 combinations

Base Low Thong in Black (Pack)

Size
Color
Quantity
Size Chart

Underwear Sizing

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

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

Sieve Dipped Brief in Black
Sieve Dipped Brief in Black
Sieve Dipped Brief in Black
Sieve Dipped Brief in Black $38
4 colors

Sieve Dipped Brief in Black

Size
Color
Quantity
Size Chart

Underwear Sizing

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

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

Whipped Dipped Thong in Black
Whipped Dipped Thong in Black
Whipped Dipped Thong in Black
Whipped Dipped Thong in Black $40
9 colors

Whipped Dipped Thong in Black

Size
Color
Quantity
Size Chart

Underwear Sizing

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

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

Cloud Cotton Boy Short in Black Cherry (Pack)
Cloud Cotton Boy Short in Black Cherry (Pack)
Cloud Cotton Boy Short in Black Cherry (Pack)
Cloud Cotton Boy Short in Black Cherry (Pack) $75
6 combinations

Cloud Cotton Boy Short in Black Cherry (Pack)

Size
Color
Quantity
Size Chart

Underwear Sizing

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

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

Cloud Cotton High Brief in Black Cherry (Pack)
Cloud Cotton High Brief in Black Cherry (Pack)
Cloud Cotton High Brief in Black Cherry (Pack)
Cloud Cotton High Brief in Black Cherry (Pack) $75
2 combinations

Cloud Cotton High Brief in Black Cherry (Pack)

Size
Color
Quantity
Size Chart

Underwear Sizing

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

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

Base Smoothing Short in Black
Base Smoothing Short in Black
Base Smoothing Short in Black
Base Smoothing Short in Black $55
3 colors

Base Smoothing Short in Black

Size
Color
Quantity
Size Chart

Underwear Sizing

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

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

Slink Dipped Thong in Black
Slink Dipped Thong in Black
Slink Dipped Thong in Black
Slink Dipped Thong in Black $58
3 colors

Slink Dipped Thong in Black

Size
Color
Quantity
Size Chart

Underwear Sizing

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

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

Whipped French Cut Brief in White + Black
Whipped French Cut Brief in White + Black
Whipped French Cut Brief in White + Black
Whipped French Cut Brief in White + Black $45 +
14 colors

Whipped French Cut Brief in White + Black

Size
Color
Quantity
Size Chart

Underwear Sizing

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

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

Glacé Dipped Thong in Black
Glacé Dipped Thong in Black
Glacé Dipped Thong in Black
Glacé Dipped Thong in Black $38
3 colors

Glacé Dipped Thong in Black

Size
Color
Quantity
Size Chart

Underwear Sizing

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

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

Glacé String Thong in Black (Pack)
Glacé String Thong in Black (Pack)
Glacé String Thong in Black (Pack)
Glacé String Thong in Black (Pack) $84
7 combinations

Glacé String Thong in Black (Pack)

Size
Size Chart

Underwear Sizing

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

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

Glacé String Bikini in Black (Pack)
Glacé String Bikini in Black (Pack)
Glacé String Bikini in Black (Pack)
Glacé String Bikini in Black (Pack) $90
2 combinations

Glacé String Bikini in Black (Pack)

Size
Size Chart

Underwear Sizing

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

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

Sieve Thong in Black (Pack)
Sieve Thong in Black (Pack)
Sieve Thong in Black (Pack)
Sieve Thong in Black (Pack) $84
10 combinations

Sieve Thong in Black (Pack)

Size
Size Chart

Underwear Sizing

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

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

Sieve Dipped Thong in Black (Pack)
Sieve Dipped Thong in Black (Pack)
Sieve Dipped Thong in Black (Pack) $90
4 combinations

Sieve Dipped Thong in Black (Pack)

Size
Size Chart

Underwear Sizing

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

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

Sleek & Elevated Black Underwear For Women

Everyone needs black underwear and loungewear in their wardrobe, and when you shop with Negative, you’ll find a wide range of comfortable, stylish, and timeless women’s underwear. Some of our bestselling black styles include our no-show Base black underwear, our luxurious and lightweight Eyelet Lace Thong, our slinky and drapey Supreme sleepwear, and our beloved and butter-soft Whipped micromodal loungewear and underwear. From cheeky bikini to high waisted briefs, we know you’ll love having a classic black wardrobe staple to wear. 

Here at Negative, our attention to detail is next to none. When sourcing our materials from long-standing mills in Europe and beyond, we make sure to never settle for anything but the very best women’s underwear. That’s why, when you shop our black collection, you’ll find deluxe and long-lasting materials like Supreme: a 100% machine-washable, high density woven poly Korean silk alternative, Sieve: a slightly-sheer Belgian power micromesh, and Whipped: a wispy-soft micro modal stretch fabric imported straight from Austria. Don’t wait – start shopping now and get your hands on your new favorite black garment. With a range of sizes available, find the perfect pair of underwear for you and your needs. And if you’re looking to stock up on other classic colors, check out our women’s white underwear, women’s thongs, and more.

+ more