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

1012 Products | Page 5 of 22

Page 5 of 22

Sort By:

Commissions may be paid to Ethical Clothing when purchasing items with our partner brands.
ORIGINAL BRA — PANSY
Pansy
ORIGINAL BRA — PANSY
  • 28.00
Organic Cotton Mid-Rise Shortie in Stone
Knickey
Organic Cotton Mid-Rise Shortie in Stone
  • 20.00
Organic Cotton Mid-Rise Hipster
Knickey
Organic Cotton Mid-Rise Hipster
  • 20.00
The Cotton Bralette | Dark Sage
Everlane
The Cotton Bralette | Dark Sage
  • 14.00
  • 28.00
Daily Underwear Set
Soor Ploom
Daily Underwear Set
  • 62.00
Bloomers - Cherries Red
Winter Water Factory
Bloomers - Cherries Red
  • 29.00
The Mia Undies | Limone
Christy Dawn
The Mia Undies | Limone
  • 58.00
Organic Cotton Mid-Rise Hipster in Carbon
Subset
Organic Cotton Mid-Rise Hipster in Carbon
  • 20.00
New Without Tags Boxers size: 6-14 Years
Mightly
New Without Tags Boxers size: 6-14 Years
  • 15.00
Organic Stretch Sports Bra
Mate
Organic Stretch Sports Bra
  • 58.00
Organic Cotton Tank Bralette in Lunar
Subset
Organic Cotton Tank Bralette in Lunar
  • 15.00
  • 48.00
Chocolate Triangle Bra
Brook There
Chocolate Triangle Bra
  • 58.00
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 Long Sleeve Bodysuit - Cosmic Star
Tonle
Organic Cotton Long Sleeve Bodysuit - Cosmic Star
  • 24.00
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
Favorite Bodysuit, Gingham Print, Bubble, Size 6
Soor Ploom
Favorite Bodysuit, Gingham Print, Bubble, Size 6
  • 162.50
Organic Cotton Low-Rise Thong in Lunar
Knickey
Organic Cotton Low-Rise Thong in Lunar
  • 10.00
  • 20.00
Organic Cotton Mid-Rise Thong in Aurora
Knickey
Organic Cotton Mid-Rise Thong in Aurora
  • 10.00
  • 20.00
Organic Cotton Women's Evolve Underwear 3-Pack - Folk Floral Combo - FINAL SALE
Mightly
Organic Cotton Women's Evolve Underwear 3-Pack - Folk Floral Combo - FINAL SALE
  • 15.00
  • 30.00
Women's Organic Cotton Boxers in Black
Harvest & Mill
Women's Organic Cotton Boxers in Black
  • 38.00
Vintage 80s Cotton Bralette - #1608
Re/Done
Vintage 80s Cotton Bralette - #1608
  • 165.00
Organic Cotton Mid-Rise Thong in Quartz
Knickey
Organic Cotton Mid-Rise Thong in Quartz
  • 20.00
Rose Quartz Boyshort
Brook There
Rose Quartz Boyshort
  • 58.00
BOXER BRIEF — PANSY
Pansy
BOXER BRIEF — PANSY
  • 45.00
The Supima® Boxer Brief | Uniform | Kalamata
Everlane
The Supima® Boxer Brief | Uniform | Kalamata
  • 7.00
  • 24.00
Organic Cotton Keyhole Soft Bra in Meridian
Subset
Organic Cotton Keyhole Soft Bra in Meridian
  • 31.00
  • 62.00
Organic Cotton Keyhole Soft Bra in Wheat
Subset
Organic Cotton Keyhole Soft Bra in Wheat
  • 62.00
Longline Bralette - Black
Known Supply
Longline Bralette - Black
  • 28.00
Signature Bloomer in Black
Loup Charmant
Signature Bloomer in Black
  • 60.00
Organic Cotton Hipster 2-Pack
United By Blue
Organic Cotton Hipster 2-Pack
  • 44.00
The Form Square-Neck Bodysuit | White
Everlane
The Form Square-Neck Bodysuit | White
  • 17.00
  • 58.00
Leggings - Trees Dark Green
Winter Water Factory
Leggings - Trees Dark Green
  • 25.60
  • 32.00
The Supima® Boxer Brief | Uniform | Deep Navy
Everlane
The Supima® Boxer Brief | Uniform | Deep Navy
  • 28.00
High Rise Thong - Black
Known Supply
High Rise Thong - Black
  • 18.00
Organic Cotton Triangle Soft Bra in Stone
Subset
Organic Cotton Triangle Soft Bra in Stone
  • 62.00
Organic Cotton Mid-Rise Thong in Cacao
Subset
Organic Cotton Mid-Rise Thong in Cacao
  • 20.00
The Scoop Soft Bra: 2-Pack
Kent
The Scoop Soft Bra: 2-Pack
  • 104.00
  • 116.00
Organic Cotton Scoop Bralette
Knickey
Organic Cotton Scoop Bralette
  • 24.00
  • 48.00
New Without Tags Underwear size: 6Y-14Y
Mightly
New Without Tags Underwear size: 6Y-14Y
  • 15.00
Organic Cotton Mid-Rise Thong in Spice
Knickey
Organic Cotton Mid-Rise Thong in Spice
  • 20.00
Organic Cotton Front Closure Bralette - Wild Flowers
Ode
Organic Cotton Front Closure Bralette - Wild Flowers
  • 59.20
Women's Organic Blend Ribbed Leggings with Pockets
Fair Indigo
Women's Organic Blend Ribbed Leggings with Pockets
  • 59.90
Baby Leggings - Dreaming Tigers Pink
Winter Water Factory
Baby Leggings - Dreaming Tigers Pink
  • 28.00
Organic Cotton Cheeky Hipster - Wild Flowers
Ode
Organic Cotton Cheeky Hipster - Wild Flowers
  • 31.30
Organic Cotton High-Rise Thong in Lunar
Knickey
Organic Cotton High-Rise Thong in Lunar
  • 10.00
  • 20.00
Baby Leggings - Chickadees Navy & Blue
Winter Water Factory
Baby Leggings - Chickadees Navy & Blue
  • 16.80
  • 28.00

Filter By

Boxer-shorts (7)
Bras (194)
Leggings (193)
Lingerie (23)
Thongs (105)
Men (62)
Baby (43)
Women (725)
Kids (179)
Unisex (3)
Underwear (1012)
All
Bamboo (1)
Lyocell-Tencel (1)
Cotton (175)
Hemp (1)
Organic-Cotton (834)
All
Vitamin A (4)
Re/Done (1)
Knickey (156)
Pansy (29)
Yala (2)
Crann (3)
Everlane (69)
Printfresh (26)
Tonle (6)
Harvest & Mill (4)
Mate (30)
Winter Water Factory (130)
Lovetrust (1)
Nu Swim (2)
Loup Charmant (34)
Taylor Stitch (4)
Christy Dawn (29)
United By Blue (4)
Kent (22)
Mara Hoffman (1)
Groceries Apparel (13)
Figge (4)
Jungmaven (1)
Harvest And Mill (3)
Hello Jackalo (1)
Outerknown (2)
Ten Tree (4)
Subset (157)
Agolde (2)
Ode (60)
Soor Ploom (14)
Another Tomorrow (2)
Wama Underwear (1)
Brook There (53)
Fair Indigo (3)
Known Supply (33)
Go Gently Nation (20)
Mightly (63)
Happy Earth (19)
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