Where are you browsing from today?

USA flag

US
EU / UK

Ethical Clothing
USA flag

Sustainable Cotton Underwear

Shop for cotton underwear from the top ethical and sustainable clothing brands in the United States

411 Products | Page 4 of 9

Page 4 of 9

Sort By:

Commissions may be paid to Ethical Clothing when purchasing items with our partner brands.
Organic Comfort High Waist Brief
Mate
Organic Comfort High Waist Brief
  • 19.00
  • 28.00
The Mel Panty | Slate
Christy Dawn
The Mel Panty | Slate
  • 48.00
Wheat Curve Convertible Bra
Brook There
Wheat Curve Convertible Bra
  • 76.00
Undyed Thong
Brook There
Undyed Thong
  • 48.00
Organic Cotton Front Closure Bralette - Blue
Ode
Organic Cotton Front Closure Bralette - Blue
  • 59.20
Organic Cotton Mid-Rise Hipster in Quartz
Knickey
Organic Cotton Mid-Rise Hipster in Quartz
  • 20.00
Organic Cotton Mid-Rise Brief
Knickey
Organic Cotton Mid-Rise Brief
  • 20.00
Organic Cotton Men's Boxer in Meridian
Knickey
Organic Cotton Men's Boxer in Meridian
  • 15.00
  • 30.00
The Moon Bralette
Miakoda
The Moon Bralette
  • 28.00
  • 60.00
Organic Cotton Mid-Rise Retro Brief in Stone
Knickey
Organic Cotton Mid-Rise Retro Brief in Stone
  • 20.00
Cerulean Ripple Triangle Bra
Brook There
Cerulean Ripple Triangle Bra
  • 48.00
  • 64.00
Organic Cotton Mid-Rise Brief in Quartz
Knickey
Organic Cotton Mid-Rise Brief in Quartz
  • 20.00
Semi-Sheer Organic Supima Cotton Scoop Soft Bra
Kent
Semi-Sheer Organic Supima Cotton Scoop Soft Bra
  • 43.50
  • 58.00
Organic Stretch Sports Bra
Mate
Organic Stretch Sports Bra
  • 40.00
  • 58.00
Undyed High Brief
Brook There
Undyed High Brief
  • 58.00
Hemp Racerback Bralette
Wama Underwear
Hemp Racerback Bralette
  • 24.00
  • 48.00
Organic Cotton Long Sleeve Bodysuit - Rocking Horse
Tonle
Organic Cotton Long Sleeve Bodysuit - Rocking Horse
  • 24.00
Rose Quartz Thong
Brook There
Rose Quartz Thong
  • 48.00
Organic Cotton Low-Rise Thong in Cacao
Knickey
Organic Cotton Low-Rise Thong in Cacao
  • 20.00
Organic Cotton Triangle Soft Bra in Aurora
Knickey
Organic Cotton Triangle Soft Bra in Aurora
  • 31.00
  • 62.00
Organic Cotton Tank Bralette in Wheat
Knickey
Organic Cotton Tank Bralette in Wheat
  • 15.00
  • 48.00
Organic Cotton Keyhole Soft Bra in Aurora
Knickey
Organic Cotton Keyhole Soft Bra in Aurora
  • 31.00
  • 62.00
The Molly Thong Bundle | Natural
Christy Dawn
The Molly Thong Bundle | Natural
  • 128.00
  • 144.00
Organic Cotton Mid-Rise Thong in Stone
Knickey
Organic Cotton Mid-Rise Thong in Stone
  • 20.00
Simplicité Bralette - Black and Ivory
Ode
Simplicité Bralette - Black and Ivory
  • 48.00
  • 68.90
Christy Dawn x Poppy Undies | Eat Local
Christy Dawn
Christy Dawn x Poppy Undies | Eat Local
  • 55.00
Organic Cotton Low-Rise Thong in Quartz
Knickey
Organic Cotton Low-Rise Thong in Quartz
  • 20.00
The Mel Panty Bundle | Natural
Christy Dawn
The Mel Panty Bundle | Natural
  • 128.00
  • 144.00
Pixy Bra 3-Pack
Brook There
Pixy Bra 3-Pack
  • 178.00
  • 234.00
Organic Stretch Pocket Legging
Mate
Organic Stretch Pocket Legging
  • 75.00
  • 108.00
SET Simplicité & Hipster - Magnolia
Ode
SET Simplicité & Hipster - Magnolia
  • 107.20
Undyed Curve Convertible Bra
Brook There
Undyed Curve Convertible Bra
  • 76.00
Organic Cotton Mid-Rise Brief in Petal
Knickey
Organic Cotton Mid-Rise Brief in Petal
  • 10.00
  • 20.00
Organic Stretch Midi Legging
Mate
Organic Stretch Midi Legging
  • 61.00
  • 88.00
Organic Cotton Mid-Rise Hipster in Wheat
Knickey
Organic Cotton Mid-Rise Hipster in Wheat
  • 20.00
Midnight Hipster
Brook There
Midnight Hipster
  • 48.00
Curve Convertible Bra 3-Pack
Brook There
Curve Convertible Bra 3-Pack
  • 170.00
  • 228.00
Organic Cotton Men's Boxer
Knickey
Organic Cotton Men's Boxer
  • 15.00
  • 30.00
Triangle Bra & High-Cut Brief Set
Kent
Triangle Bra & High-Cut Brief Set
  • 72.00
  • 96.00
Organic Cotton High-Rise Brief Mystery 3-Pack
Knickey
Organic Cotton High-Rise Brief Mystery 3-Pack
  • 20.00
  • 60.00
Black Boyshort
Brook There
Black Boyshort
  • 58.00
Organic Cotton Mid-Rise Retro Brief in Meridian
Knickey
Organic Cotton Mid-Rise Retro Brief in Meridian
  • 10.00
  • 20.00
White Curve Convertible Bra
Brook There
White Curve Convertible Bra
  • 76.00
Men's Trio - 3 Organic Cotton Breather Boxers
Kent
Men's Trio - 3 Organic Cotton Breather Boxers
  • 81.00
  • 108.00
Organic Cotton Low-Rise Brief in Cacao
Knickey
Organic Cotton Low-Rise Brief in Cacao
  • 20.00
Organic Cotton High-Rise Brief in Wheat
Knickey
Organic Cotton High-Rise Brief in Wheat
  • 20.00
Organic Cotton Triangle Soft Bra in Garnet
Knickey
Organic Cotton Triangle Soft Bra in Garnet
  • 31.00
  • 62.00
Organic Cotton Maternity Below-Belly Brief in Carbon
Knickey
Organic Cotton Maternity Below-Belly Brief in Carbon
  • 25.00

Filter By

Bras (91)
Leggings (35)
Lingerie (24)
Panties (1)
Thongs (49)
Kids (11)
Men (66)
Unisex (6)
Women (328)
Underwear (411)
All
Bamboo (2)
Cotton (56)
Linen (1)
Organic-Cotton (352)
All
Brook There (41)
Christy Dawn (26)
Crann (3)
Fair Indigo (4)
Happy Earth (7)
Harvest And Mill (4)
Hello Jackalo (1)
Kent (35)
Knickey (160)
Mara Hoffman (1)
Mate (35)
Miakoda (3)
Namuk (2)
Ode (59)
Outerknown (4)
Ten Tree (4)
The Good Tee (1)
Tonle (6)
Vitamin A (1)
Wama Underwear (12)
Yala (2)
Sales only
Ethical Clothing Logo Be the first to know when North America's top ethical brands are on sale, sign up to our newsletter here