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

893 Products | Page 1 of 19

Page 1 of 19

Sort By:

Commissions may be paid to Ethical Clothing when purchasing items with our partner brands.
Scoop Neck Longsleeve Bodysuit
Ten Tree
Scoop Neck Longsleeve Bodysuit
  • 58.00
Alta Legging
Ten Tree
Alta Legging
  • 40.00
Organic Cotton High Rise Legging
Ten Tree
Organic Cotton High Rise Legging
  • 24.00
  • 30.00
Organic Cotton Legging
Ten Tree
Organic Cotton Legging
  • 30.00
All Time Scallop Trunks
Outerknown
All Time Scallop Trunks
  • 39.00
  • 98.00
Tasty Scallop Trunks - Outerworn
Outerknown
Tasty Scallop Trunks - Outerworn
  • 74.00
  • 128.00
PlantTec™ Organic Sports Bra | Blueberry
Happy Earth
PlantTec™ Organic Sports Bra | Blueberry
  • 48.00
Semi-Sheer Scoop Soft Bra in Duck Egg Green
Kent
Semi-Sheer Scoop Soft Bra in Duck Egg Green
  • 58.00
Strappy Sports Bra
Groceries Apparel
Strappy Sports Bra
  • 68.00
Leggings - High Seas Navy
Winter Water Factory
Leggings - High Seas Navy
  • 32.00
Halloween House Cats - Boyfriend Boxer - Purple Tonic
Printfresh
Halloween House Cats - Boyfriend Boxer - Purple Tonic
  • 14.00
  • 48.00
Organic Cotton Mid-Rise Brief in Carbon
Subset
Organic Cotton Mid-Rise Brief in Carbon
  • 20.00
Classic Slip in Core Colors
Loup Charmant
Classic Slip in Core Colors
  • 175.00
Bloomers - Double Decker Buses Red
Winter Water Factory
Bloomers - Double Decker Buses Red
  • 14.50
  • 29.00
Organic Cotton Women's Underwear Starter Set in Quartz
Knickey
Organic Cotton Women's Underwear Starter Set in Quartz
  • 85.00
  • 100.00
Organic Cotton Mid-Rise Thong in Stone
Knickey
Organic Cotton Mid-Rise Thong in Stone
  • 20.00
Bloomers - Turtles Green
Winter Water Factory
Bloomers - Turtles Green
  • 20.30
  • 29.00
Organic Stretch Scoop Bra
Mate
Organic Stretch Scoop Bra
  • 58.00
Organic Cotton Tank Bralette in Carbon
Knickey
Organic Cotton Tank Bralette in Carbon
  • 15.00
  • 48.00
Halter Bodysuit | Black
Another Tomorrow
Halter Bodysuit | Black
  • 116.00
  • 290.00
Longline Bralette - Cacti n Skulls Burnt Orange
Known Supply
Longline Bralette - Cacti n Skulls Burnt Orange
  • 28.00
Organic Comfort Triangle Bralette
Mate
Organic Comfort Triangle Bralette
  • 44.00
Bloomers - Hippos Grey
Winter Water Factory
Bloomers - Hippos Grey
  • 20.30
  • 29.00
Black Pixy Bra
Brook There
Black Pixy Bra
  • 58.00
  • 78.00
HIGH RISE — PANSY
Pansy
HIGH RISE — PANSY
  • 39.00
Organic Stretch Pocket Legging
Mate
Organic Stretch Pocket Legging
  • 108.00
Hipster - Laelia
Ode
Hipster - Laelia
  • 44.60
Organic Cotton High-Rise Brief in Petal
Subset
Organic Cotton High-Rise Brief in Petal
  • 10.00
  • 20.00
PlantTec™ Organic Sports Bra | Monstera
Happy Earth
PlantTec™ Organic Sports Bra | Monstera
  • 48.00
Bloomers - Bees Blue
Winter Water Factory
Bloomers - Bees Blue
  • 29.00
Organic Cotton Keyhole Soft Bra in Marine
Knickey
Organic Cotton Keyhole Soft Bra in Marine
  • 62.00
Hipster - Lilac
Ode
Hipster - Lilac
  • 27.10
  • 44.60
Organic Cotton Mid-Rise Shortie in Spice
Subset
Organic Cotton Mid-Rise Shortie in Spice
  • 20.00
The Seamless Bra | Black
Everlane
The Seamless Bra | Black
  • 14.00
  • 35.00
Organic Comfort High Waist Brief
Mate
Organic Comfort High Waist Brief
  • 28.00
PlantTec™ Organic Flare Leggings | Ocean
Happy Earth
PlantTec™ Organic Flare Leggings | Ocean
  • 78.00
Organic Cotton Low-Rise Thong in Cloud Nine
Subset
Organic Cotton Low-Rise Thong in Cloud Nine
  • 10.00
  • 20.00
Bagheera - Boyfriend Boxer - Blush
Printfresh
Bagheera - Boyfriend Boxer - Blush
  • 48.00
FRENCH CUT — PANSY
Pansy
FRENCH CUT — PANSY
  • 34.00
Longline Bralette - Cocoa
Known Supply
Longline Bralette - Cocoa
  • 28.00
Baby Leggings - Space Charcoal
Winter Water Factory
Baby Leggings - Space Charcoal
  • 19.60
  • 28.00
Organic Cotton Keyhole Soft Bra in Stone
Knickey
Organic Cotton Keyhole Soft Bra in Stone
  • 62.00
Hemp Briefs
Wama Underwear
Hemp Briefs
  • 32.00
Organic Cotton Keyhole Soft Bra in Wheat
Knickey
Organic Cotton Keyhole Soft Bra in Wheat
  • 62.00
Organic Cotton Reinforced Knee Legging 2-Pack
Mightly
Organic Cotton Reinforced Knee Legging 2-Pack
  • 36.95
Kids Organic Cotton Leggings 3 Pack. No Reinforced Knee
Mightly
Kids Organic Cotton Leggings 3 Pack. No Reinforced Knee
  • 43.95
Organic Cotton Mid-Rise Brief in Marine
Knickey
Organic Cotton Mid-Rise Brief in Marine
  • 20.00
SET Simplicité & Hipster - Black
Ode
SET Simplicité & Hipster - Black
  • 107.20

Filter By

Boxer-shorts (8)
Bras (89)
Leggings (257)
Panties (6)
Stockings (2)
Thongs (87)
Men (192)
Baby (25)
Women (721)
Kids (209)
Unisex (28)
Underwear (1175)
All
Organic-Cotton (1175)
All
Boody (4)
Thinking Mu (12)
Organic Basics (473)
Luciee (1)
Anekdot Boutique (17)
Slugs And Snails (9)
Matona (10)
Organic Zoo (39)
Armedangels (26)
Olly (3)
Hoessee (1)
The White Briefs (1)
Thought (30)
Ethletic (4)
Frija Omina (16)
Recolution (1)
Mini Rodini (22)
Lovjoi (1)
Urban Goddess (39)
Cossac (1)
Mainio (1)
Hessnatur (48)
Komodo (14)
Dedicated (1)
Beaumont Organic (34)
Pigeon Organics (55)
Boob Design (17)
Mayamiko (2)
Colorful Standard (33)
Noctu (6)
Asket (8)
Bam (71)
Juliemay (35)
Smafolk (117)
One We Like (16)
Brava Fabrics (7)
Germany (113)
Netherlands (39)
France (4)
United Kingdom (291)
Sweden (65)
Finland (1)
Ireland (9)
Spain (19)
Austria (10)
Czech Republic (1)
Denmark (623)
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