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

355 Products | Page 6 of 8 | On Sale Selected

Page 6 of 8 | On Sale Selected

Sort By:

Commissions may be paid to Ethical Clothing when purchasing items with our partner brands.
Organic Cotton Women's Underwear Starter Set
Subset
Organic Cotton Women's Underwear Starter Set
  • 85.00
  • 100.00
Wheat Pixy Bra
Brook There
Wheat Pixy Bra
  • 58.50
  • 78.00
Bloomers - Submarines Navy & Blue
Winter Water Factory
Bloomers - Submarines Navy & Blue
  • 23.20
  • 29.00
Organic Cotton Triangle Soft Bra in Meridian
Knickey
Organic Cotton Triangle Soft Bra in Meridian
  • 31.00
  • 62.00
Organic Cotton Low-Rise Thong in Lunar
Knickey
Organic Cotton Low-Rise Thong in Lunar
  • 10.00
  • 20.00
Nursing, Maternity & Beyond Bralette in Botanical Floral - FINAL SALE
Mightly
Nursing, Maternity & Beyond Bralette in Botanical Floral - FINAL SALE
  • 17.50
  • 35.00
Leggings - Trains Blue
Winter Water Factory
Leggings - Trains Blue
  • 25.60
  • 32.00
Mini-Flared Legging
Groceries Apparel
Mini-Flared Legging
  • 88.50
  • 118.00
Organic Cotton Mid-Rise Brief in Cloud Nine
Knickey
Organic Cotton Mid-Rise Brief in Cloud Nine
  • 10.00
  • 20.00
The Cotton Tank Bra | Black
Everlane
The Cotton Tank Bra | Black
  • 7.00
  • 28.00
Chocolate Pixy Bra
Brook There
Chocolate Pixy Bra
  • 58.50
  • 78.00
Organic Cotton High-Rise Thong in Marine
Subset
Organic Cotton High-Rise Thong in Marine
  • 15.00
  • 20.00
The Form Funnel-Neck Bodysuit | White
Everlane
The Form Funnel-Neck Bodysuit | White
  • 17.00
  • 58.00
Organic Cotton Scoop Bralette in Cloud Nine
Subset
Organic Cotton Scoop Bralette in Cloud Nine
  • 24.00
  • 48.00
Leggings - Construction Forest Green
Winter Water Factory
Leggings - Construction Forest Green
  • 16.00
  • 32.00
Strappy Sports Bra
Groceries Apparel
Strappy Sports Bra
  • 51.00
  • 68.00
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
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
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
Women's Organic 100% Cotton Seamed Leggings with Pockets
Fair Indigo
Women's Organic 100% Cotton Seamed Leggings with Pockets
  • 55.99
  • 69.90
V-Bra
Groceries Apparel
V-Bra
  • 40.50
  • 54.00
Organic Cotton Low-Rise Thong in Cloud Nine
Subset
Organic Cotton Low-Rise Thong in Cloud Nine
  • 10.00
  • 20.00
Leggings - Food Trucks Surf Blue
Winter Water Factory
Leggings - Food Trucks Surf Blue
  • 22.40
  • 32.00
Leggings - Dreaming Tigers Green
Winter Water Factory
Leggings - Dreaming Tigers Green
  • 25.60
  • 32.00
Organic Cotton Top Drawer Swap in Carbon
Knickey
Organic Cotton Top Drawer Swap in Carbon
  • 200.00
  • 224.00
Organic Cotton Long Sleeve Bodysuit - Geometric Moon
Tonle
Organic Cotton Long Sleeve Bodysuit - Geometric Moon
  • 14.00
  • 24.00
The Long-Sleeve Supima® Square-Neck Bodysuit | Goji Berry | Thong
Everlane
The Long-Sleeve Supima® Square-Neck Bodysuit | Goji Berry | Thong
  • 25.00
  • 45.00
Organic Cotton Scoop Bralette in Lunar
Knickey
Organic Cotton Scoop Bralette in Lunar
  • 24.00
  • 48.00
Organic Cotton Tank Bralette in Peach
Knickey
Organic Cotton Tank Bralette in Peach
  • 15.00
  • 48.00
Organic Cotton Tank Bralette in Cloud Nine
Knickey
Organic Cotton Tank Bralette in Cloud Nine
  • 15.00
  • 48.00
Organic Cotton Keyhole Soft Bra in Meridian
Knickey
Organic Cotton Keyhole Soft Bra in Meridian
  • 31.00
  • 62.00
Leggings - Elderberries Ochre
Winter Water Factory
Leggings - Elderberries Ochre
  • 22.40
  • 32.00
Leggings - Root Vegetables Chestnut
Winter Water Factory
Leggings - Root Vegetables Chestnut
  • 19.20
  • 32.00
Lucky Paws - Mens Boxer - Irish Cream
Printfresh
Lucky Paws - Mens Boxer - Irish Cream
  • 28.00
  • 48.00
Rhinestone Cowgirl - Bradshaw Boxer - Party Pink
Printfresh
Rhinestone Cowgirl - Bradshaw Boxer - Party Pink
  • 34.00
  • 48.00
Bodysuit - Cassiopée Lace - Pink Blush
Ode
Bodysuit - Cassiopée Lace - Pink Blush
  • 31.30
  • 103.70
Bloomers - Dogs on Scooters Blue
Winter Water Factory
Bloomers - Dogs on Scooters Blue
  • 20.30
  • 29.00
Organic Cotton High-Rise Brief in Aurora
Knickey
Organic Cotton High-Rise Brief in Aurora
  • 10.00
  • 20.00
Organic Cotton Reinforced Knee Legging 2-Pack: FINAL SALE
Mightly
Organic Cotton Reinforced Knee Legging 2-Pack: FINAL SALE
  • 19.95
  • 39.90
Organic Cotton Women's Evolve Underwear 3-Pack - FINAL SALE
Mightly
Organic Cotton Women's Evolve Underwear 3-Pack - FINAL SALE
  • 15.00
  • 30.00
Baby Leggings - Submarines Blue & Orange
Winter Water Factory
Baby Leggings - Submarines Blue & Orange
  • 22.40
  • 28.00
Hipster - Cassiopée Lace - Gold Sunflower
Ode
Hipster - Cassiopée Lace - Gold Sunflower
  • 17.40
  • 31.30
Baby Leggings - Axolotls Surf Blue
Winter Water Factory
Baby Leggings - Axolotls Surf Blue
  • 14.00
  • 28.00
Organic Stretch Midi Legging
Mate
Organic Stretch Midi Legging
  • 57.00
  • 88.00

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