Where are you browsing from today?

USA flag

US
EU / UK

Ethical Clothing
USA flag

Sustainable Organic-Cotton Underwear

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

356 Products | Page 4 of 8

Page 4 of 8

Sort By:

Commissions may be paid to Ethical Clothing when purchasing items with our partner brands.
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
Organic Cotton Mid-Rise Thong in Stone
Knickey
Organic Cotton Mid-Rise Thong in Stone
  • 20.00
Organic Cotton Low-Rise Thong in Quartz
Knickey
Organic Cotton Low-Rise Thong in Quartz
  • 20.00
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
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 Front Closure Bralette - White
Ode
Organic Cotton Front Closure Bralette - White
  • 59.20
Organic Cotton Maternity Below-Belly Brief in Carbon
Knickey
Organic Cotton Maternity Below-Belly Brief in Carbon
  • 25.00
Men's Work Week - 5 Organic Cotton Breather Briefs
Kent
Men's Work Week - 5 Organic Cotton Breather Briefs
  • 127.50
  • 170.00
Hemp Long Boxer Briefs
Wama Underwear
Hemp Long Boxer Briefs
  • 24.00
  • 32.00
Organic Cotton Cheeky Hipster -Ella
Ode
Organic Cotton Cheeky Hipster -Ella
  • 31.30
Black Pixy Bra
Brook There
Black Pixy Bra
  • 58.00
  • 78.00
Chocolate Jersey Slip
Brook There
Chocolate Jersey Slip
  • 54.00
  • 68.00
SET Simplicité & Hipster - White
Ode
SET Simplicité & Hipster - White
  • 107.20
Organic Cotton Mid-Rise Thong in Marine
Knickey
Organic Cotton Mid-Rise Thong in Marine
  • 20.00
PlantTec™ Organic Leggings | Redwood
Happy Earth
PlantTec™ Organic Leggings | Redwood
  • 64.00
Organic Cotton Front Closure Bralette - Almond
Ode
Organic Cotton Front Closure Bralette - Almond
  • 59.20
Organic Cotton Low-Rise Thong in Stone
Knickey
Organic Cotton Low-Rise Thong in Stone
  • 20.00
Organic Cotton Keyhole Soft Bra in Quartz
Knickey
Organic Cotton Keyhole Soft Bra in Quartz
  • 62.00
Organic Cotton Triangle Soft Bra in Quartz
Knickey
Organic Cotton Triangle Soft Bra in Quartz
  • 62.00
Organic Cotton Cheeky Hipster - Wild Flowers
Ode
Organic Cotton Cheeky Hipster - Wild Flowers
  • 31.30
Organic Cotton High-Rise Thong in Cacao
Knickey
Organic Cotton High-Rise Thong in Cacao
  • 20.00
High-Waist Trio ~ 3 Organic Cotton Underwear
Kent
High-Waist Trio ~ 3 Organic Cotton Underwear
  • 60.00
  • 80.00
Organic Cotton High-Rise Brief in Quartz
Knickey
Organic Cotton High-Rise Brief in Quartz
  • 20.00
Organic Cotton Low-Rise Brief in Marine
Knickey
Organic Cotton Low-Rise Brief in Marine
  • 20.00
Organic Cotton Low-Rise Thong in Wheat
Knickey
Organic Cotton Low-Rise Thong in Wheat
  • 20.00
Organic Stretch Midi Legging with Pockets
Mate
Organic Stretch Midi Legging with Pockets
  • 68.00
  • 98.00
The Go-To High Rise Legging
The Good Tee
The Go-To High Rise Legging
  • 16.70
  • 58.50
Organic Comfort Triangle Bralette
Mate
Organic Comfort Triangle Bralette
  • 30.00
  • 44.00
Organic Cotton Reusable Tote | My Underwear Captures Carbon
Kent
Organic Cotton Reusable Tote | My Underwear Captures Carbon
  • 9.00
  • 12.00
Organic Cotton Front Closure Bralette - Gold Sunflower
Ode
Organic Cotton Front Closure Bralette - Gold Sunflower
  • 59.20
Men's Work Week - 5 Organic Cotton Breather Boxers
Kent
Men's Work Week - 5 Organic Cotton Breather Boxers
  • 135.00
  • 180.00

Filter By

Bras (84)
Leggings (33)
Lingerie (16)
Panties (1)
Thongs (45)
Kids (10)
Men (65)
Unisex (6)
Women (275)
Underwear (356)
All
Organic-Cotton (356)
All
Brook There (41)
Christy Dawn (2)
Crann (3)
Fair Indigo (2)
Happy Earth (8)
Harvest And Mill (4)
Kent (28)
Knickey (161)
Mara Hoffman (1)
Mate (36)
Miakoda (3)
Namuk (1)
Ode (36)
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