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

353 Products | Page 2 of 8 | On Sale Selected

Page 2 of 8 | On Sale Selected

Sort By:

Commissions may be paid to Ethical Clothing when purchasing items with our partner brands.
The Cotton Bralette | Dark Sage
Everlane
The Cotton Bralette | Dark Sage
  • 14.00
  • 28.00
Hanky Panky Retro Thong
Printfresh
Hanky Panky Retro Thong
  • 22.00
  • 28.00
The Cutaway Tank Bodysuit | White | Thong
Everlane
The Cutaway Tank Bodysuit | White | Thong
  • 26.00
  • 48.00
The Seamless Legging | Acorn
Everlane
The Seamless Legging | Acorn
  • 15.00
  • 58.00
Organic Cotton Low-Rise Thong in Lunar
Knickey
Organic Cotton Low-Rise Thong in Lunar
  • 10.00
  • 20.00
Thong 3-Pack
Brook There
Thong 3-Pack
  • 108.00
  • 144.00
Seashell Triangle Bra
Brook There
Seashell Triangle Bra
  • 46.00
  • 64.00
Organic Cotton Mid-Rise Brief in Petal
Knickey
Organic Cotton Mid-Rise Brief in Petal
  • 10.00
  • 20.00
Very Merry Bagheera - Bradshaw Boxer - Pale Blue
Printfresh
Very Merry Bagheera - Bradshaw Boxer - Pale Blue
  • 14.00
  • 48.00
The Form Square-Neck Bodysuit | White
Everlane
The Form Square-Neck Bodysuit | White
  • 17.00
  • 58.00
Organic Cotton Scoop Bralette
Subset
Organic Cotton Scoop Bralette
  • 24.00
  • 48.00
Paris Getaway - Mens Boxer - Cloud
Printfresh
Paris Getaway - Mens Boxer - Cloud
  • 28.00
  • 48.00
Organic Cotton Scoop Bralette in Spice
Subset
Organic Cotton Scoop Bralette in Spice
  • 24.00
  • 48.00
Bloomers - Solid Scarlet Red
Winter Water Factory
Bloomers - Solid Scarlet Red
  • 23.20
  • 29.00
Organic Cotton High-Rise Thong in Lunar
Knickey
Organic Cotton High-Rise Thong in Lunar
  • 10.00
  • 20.00
Hipster Trio ~ 3 Organic Cotton Underwear
Kent
Hipster Trio ~ 3 Organic Cotton Underwear
  • 80.00
  • 84.00
Pima Rib Knit L&L Legging
Lovetrust
Pima Rib Knit L&L Legging
  • 26.00
  • 65.00
Organic Cotton Mid-Rise Brief in Cloud Nine
Knickey
Organic Cotton Mid-Rise Brief in Cloud Nine
  • 10.00
  • 20.00
Organic Cotton Mid-Rise Shortie in Meridian
Subset
Organic Cotton Mid-Rise Shortie in Meridian
  • 10.00
  • 20.00
The Cotton Tank Bra | Black
Everlane
The Cotton Tank Bra | Black
  • 7.00
  • 28.00
The Long-Sleeve Supima® Square-Neck Bodysuit | Lapis Blue | Bikini
Everlane
The Long-Sleeve Supima® Square-Neck Bodysuit | Lapis Blue | Bikini
  • 23.00
  • 45.00
Organic Cotton Triangle Soft Bra in Garnet
Subset
Organic Cotton Triangle Soft Bra in Garnet
  • 31.00
  • 62.00
Simplicité Bralette - Black and Ivory
Ode
Simplicité Bralette - Black and Ivory
  • 48.00
  • 68.90
Men's Full Week - 7 Organic Cotton Breather Boxers
Kent
Men's Full Week - 7 Organic Cotton Breather Boxers
  • 204.00
  • 238.00
Nursing, Maternity & Beyond Bralette in Flower Child - FINAL SALE
Mightly
Nursing, Maternity & Beyond Bralette in Flower Child - FINAL SALE
  • 17.50
  • 35.00
The Long-Sleeve Supima® Square-Neck Bodysuit | White | Bikini
Everlane
The Long-Sleeve Supima® Square-Neck Bodysuit | White | Bikini
  • 14.00
  • 45.00
bloomers | rosebud
Figge
bloomers | rosebud
  • 7.00
  • 31.00
SET Simplicité & Hipster - Lilac
Ode
SET Simplicité & Hipster - Lilac
  • 68.90
  • 107.20
Baby Leggings - Roadwork Orange & Blue
Winter Water Factory
Baby Leggings - Roadwork Orange & Blue
  • 22.40
  • 28.00
Leggings - Foxes & Hedgehogs Night Sky
Winter Water Factory
Leggings - Foxes & Hedgehogs Night Sky
  • 25.60
  • 32.00
Leggings - Space Charcoal
Winter Water Factory
Leggings - Space Charcoal
  • 22.40
  • 32.00
Organic Cotton Reinforced Knee Legging 2-Pack - FINAL SALE
Mightly
Organic Cotton Reinforced Knee Legging 2-Pack - FINAL SALE
  • 15.95
  • 39.90
Organic Cotton Mid-Rise Shortie in Aurora
Knickey
Organic Cotton Mid-Rise Shortie in Aurora
  • 10.00
  • 20.00
Organic Cotton Mid-Rise Brief Mystery 3-Pack
Knickey
Organic Cotton Mid-Rise Brief Mystery 3-Pack
  • 20.00
  • 60.00
Organic Cotton High-Rise Thong in Cloud Nine
Subset
Organic Cotton High-Rise Thong in Cloud Nine
  • 10.00
  • 20.00
Sugar Plum Ferry - Bradshaw Boxers - Blue Sailboat
Printfresh
Sugar Plum Ferry - Bradshaw Boxers - Blue Sailboat
  • 14.00
  • 48.00
The Seamless Legging | Burnt Sugar
Everlane
The Seamless Legging | Burnt Sugar
  • 15.00
  • 58.00
The Supima® Longer Boxer Brief | Uniform | Kalamata
Everlane
The Supima® Longer Boxer Brief | Uniform | Kalamata
  • 11.00
  • 28.00
Organic Cotton High-Rise Thong Mystery 3-Pack
Knickey
Organic Cotton High-Rise Thong Mystery 3-Pack
  • 20.00
  • 60.00
Organic Cotton High-Rise Brief Mystery 3-Pack
Knickey
Organic Cotton High-Rise Brief Mystery 3-Pack
  • 20.00
  • 60.00
Leggings - Turtles Green
Winter Water Factory
Leggings - Turtles Green
  • 22.40
  • 32.00
Women's Organic 100% Cotton Seamed Leggings with Pockets
Fair Indigo
Women's Organic 100% Cotton Seamed Leggings with Pockets
  • 55.99
  • 69.90
Organic Cotton Scoop Bralette in Cacao
Knickey
Organic Cotton Scoop Bralette in Cacao
  • 24.00
  • 48.00
Men's Work Week - 5 Organic Cotton Breather Briefs
Kent
Men's Work Week - 5 Organic Cotton Breather Briefs
  • 153.00
  • 170.00
Leggings - Axolotls Surf Blue
Winter Water Factory
Leggings - Axolotls Surf Blue
  • 25.60
  • 32.00
The Full Week ~ 7 Organic Cotton Underwear
Kent
The Full Week ~ 7 Organic Cotton Underwear
  • 169.00
  • 196.00
slim leggings | plum stripe
Figge
slim leggings | plum stripe
  • 11.00
  • 35.00
Leggings - Dreaming Tigers Green
Winter Water Factory
Leggings - Dreaming Tigers Green
  • 25.60
  • 32.00

Filter By

Leggings (3)
Stockings (2)
Unisex (2)
Women (6)
Underwear (8)
All
Bamboo (2)
Cotton (2)
Organic-Cotton (4)
All
Boody (4)
Swedish Stockings (115)
Thinking Mu (12)
Hedoine (1)
Organic Basics (531)
Colieco (1)
Luciee (2)
Anekdot Boutique (19)
Slugs And Snails (9)
Chillax (1)
Matona (9)
Organic Zoo (56)
Armedangels (26)
Olly (6)
Hoessee (2)
The White Briefs (8)
Thought (30)
Ethletic (4)
Frija Omina (16)
Recolution (1)
Blonde Gone Rogue (3)
Mini Rodini (22)
Lovjoi (16)
Urban Goddess (39)
Cossac (1)
Mainio (1)
Hessnatur (47)
Komodo (14)
Dedicated (8)
Beaumont Organic (32)
Pigeon Organics (55)
Pangaia (3)
Boob Design (19)
Mayamiko (3)
Colorful Standard (33)
Noctu (6)
Asket (8)
Bam (71)
Juliemay (33)
Smafolk (118)
One We Like (16)
Brava Fabrics (7)
Baukjen (3)
France (8)
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