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

1079 Products | Page 2 of 23

Page 2 of 23

Sort By:

Commissions may be paid to Ethical Clothing when purchasing items with our partner brands.
Leggings - Apples Red & Green
Winter Water Factory
Leggings - Apples Red & Green
  • 32.00
Leggings - Celestial Navy
Winter Water Factory
Leggings - Celestial Navy
  • 32.00
Organic Cotton Keyhole Soft Bra in Quartz
Subset
Organic Cotton Keyhole Soft Bra in Quartz
  • 62.00
Signature Bloomer in Swiss Ellipse
Loup Charmant
Signature Bloomer in Swiss Ellipse
  • 65.00
Organic Cotton Mid-Rise Thong in Wheat
Knickey
Organic Cotton Mid-Rise Thong in Wheat
  • 20.00
Organic Cotton Mid-Rise Brief in Quartz
Subset
Organic Cotton Mid-Rise Brief in Quartz
  • 20.00
Leggings - Roadwork Orange & Blue
Winter Water Factory
Leggings - Roadwork Orange & Blue
  • 32.00
Organic Comfort Scoop Bralette
Mate
Organic Comfort Scoop Bralette
  • 44.00
Organic Cotton Mid-Rise Shortie in Meridian
Knickey
Organic Cotton Mid-Rise Shortie in Meridian
  • 10.00
  • 20.00
The Mia Undies | Slate
Christy Dawn
The Mia Undies | Slate
  • 48.00
Leggings - Corals Blue
Winter Water Factory
Leggings - Corals Blue
  • 32.00
Organic Cotton Maternity Below-Belly Brief in Carbon
Knickey
Organic Cotton Maternity Below-Belly Brief in Carbon
  • 25.00
Kids Organic Cotton Cropped Leggings 2 Pack - FINAL SALE
Mightly
Kids Organic Cotton Cropped Leggings 2 Pack - FINAL SALE
  • 11.95
  • 29.95
Organic Cotton Men's Boxer Brief in Meridian
Subset
Organic Cotton Men's Boxer Brief in Meridian
  • 30.00
Organic Cotton Women's Underwear Starter Set in Quartz
Subset
Organic Cotton Women's Underwear Starter Set in Quartz
  • 85.00
  • 100.00
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
Mini Slip in Core Cotton Colors
Loup Charmant
Mini Slip in Core Cotton Colors
  • 160.00
Bloom Bandeau in Rose
Loup Charmant
Bloom Bandeau in Rose
  • 115.00
The Surf Trunk in Sage
Taylor Stitch
The Surf Trunk in Sage
  • 39.00
  • 88.00
Organic Cotton Low-Rise Thong in Lunar
Knickey
Organic Cotton Low-Rise Thong in Lunar
  • 10.00
  • 20.00
New Without Tags Underwear size: Toddler 2T-5T
Mightly
New Without Tags Underwear size: Toddler 2T-5T
  • 15.00
Baby Leggings - Axolotls Surf Blue
Winter Water Factory
Baby Leggings - Axolotls Surf Blue
  • 28.00
Leopard Legging
Groceries Apparel
Leopard Legging
  • 88.50
  • 118.00
Organic Cotton High-Rise Brief in Marine
Knickey
Organic Cotton High-Rise Brief in Marine
  • 20.00
Hipster - Lilac
Ode
Hipster - Lilac
  • 27.10
  • 44.60
Organic Cotton Mid-Rise Shortie in Garnet
Subset
Organic Cotton Mid-Rise Shortie in Garnet
  • 10.00
  • 20.00
Organic Comfort High Waist Brief
Mate
Organic Comfort High Waist Brief
  • 28.00
Organic Stretch Midi Legging
Mate
Organic Stretch Midi Legging
  • 88.00
Bloomers - Solid Mountain Blue
Winter Water Factory
Bloomers - Solid Mountain Blue
  • 29.00
Organic Cotton Low-Rise Brief in Gale
Knickey
Organic Cotton Low-Rise Brief in Gale
  • 20.00
Leggings - Solid Lake Blue
Winter Water Factory
Leggings - Solid Lake Blue
  • 32.00
Leggings - Clover & Ladybugs Green
Winter Water Factory
Leggings - Clover & Ladybugs Green
  • 32.00
Organic Cotton Triangle Soft Bra in Meridian
Subset
Organic Cotton Triangle Soft Bra in Meridian
  • 31.00
  • 62.00
Longline Bralette - Camel
Known Supply
Longline Bralette - Camel
  • 28.00
The Form Square-Neck Bodysuit | Black
Everlane
The Form Square-Neck Bodysuit | Black
  • 17.00
  • 58.00
Baby Leggings - Foxes Pale Blue
Winter Water Factory
Baby Leggings - Foxes Pale Blue
  • 28.00
Hipster - Leopard Lace - BLACK
Ode
Hipster - Leopard Lace - BLACK
  • 31.30
Organic Cotton High-Rise Brief in Stone
Subset
Organic Cotton High-Rise Brief in Stone
  • 20.00
Baby Leggings - Solid Ochre
Winter Water Factory
Baby Leggings - Solid Ochre
  • 28.00
The Molly Thong | Crimson
Christy Dawn
The Molly Thong | Crimson
  • 48.00
PlantTec™ Organic Sports Bra | Espresso
Happy Earth
PlantTec™ Organic Sports Bra | Espresso
  • 48.00
Organic Cotton Mother's Day Gift Set
Subset
Organic Cotton Mother's Day Gift Set
  • 297.00
  • 322.00
Signature Bloomers in Camel
Loup Charmant
Signature Bloomers in Camel
  • 60.00
Leggings - Flower Vines Night Sky
Winter Water Factory
Leggings - Flower Vines Night Sky
  • 32.00
Signature Bloomer in Natural Swiss Ellipse
Loup Charmant
Signature Bloomer in Natural Swiss Ellipse
  • 60.00
Organic Cotton High-Rise Brief in Marine
Subset
Organic Cotton High-Rise Brief in Marine
  • 20.00
The Supima® Longer Boxer Brief | Uniform | Kalamata
Everlane
The Supima® Longer Boxer Brief | Uniform | Kalamata
  • 11.00
  • 28.00
Bloomers - Clover & Ladybugs Green
Winter Water Factory
Bloomers - Clover & Ladybugs Green
  • 29.00

Filter By

Boxer-shorts (5)
Bras (172)
Leggings (268)
Lingerie (23)
Panties (1)
Thongs (108)
Baby (55)
Kids (220)
Men (65)
Unisex (5)
Women (734)
Underwear (1079)
All
Bamboo (2)
Cotton (181)
Hemp (3)
Linen (1)
Lyocell-Tencel (1)
Organic-Cotton (891)
All
Agolde (2)
Another Tomorrow (3)
Brook There (7)
Christy Dawn (29)
Crann (3)
Everlane (69)
Fair Indigo (5)
Figge (4)
Go Gently Nation (20)
Groceries Apparel (13)
Happy Earth (34)
Harvest And Mill (4)
Harvest & Mill (4)
Hello Jackalo (1)
Jungmaven (3)
Kent (24)
Knickey (158)
Known Supply (33)
Loup Charmant (38)
Lovetrust (1)
Mara Hoffman (1)
Mate (52)
Miakoda (1)
Mightly (85)
Namuk (1)
Nu Swim (4)
Ode (60)
Outerknown (2)
Pansy (28)
Printfresh (18)
Soor Ploom (17)
Subset (159)
Taylor Stitch (4)
Ten Tree (4)
Tonle (6)
United By Blue (8)
Vitamin A (1)
Wama Underwear (11)
Winter Water Factory (160)
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