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

274 Products | Page 1 of 6 | On Sale Selected

Page 1 of 6 | On Sale Selected

Sort By:

Commissions may be paid to Ethical Clothing when purchasing items with our partner brands.
Organic Cotton High Rise Legging
Ten Tree
Organic Cotton High Rise Legging
  • 18.00
  • 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
Chocolate Pixy Bra
Brook There
Chocolate Pixy Bra
  • 58.50
  • 78.00
Organic Cotton Mid-Rise Shortie in Garnet
Knickey
Organic Cotton Mid-Rise Shortie in Garnet
  • 10.00
  • 20.00
Organic Cotton Keyhole Soft Bra in Garnet
Subset
Organic Cotton Keyhole Soft Bra in Garnet
  • 31.00
  • 62.00
The Seamless Bra | Acorn
Everlane
The Seamless Bra | Acorn
  • 11.00
  • 35.00
Baby Leggings - Lily of the Valley Green
Winter Water Factory
Baby Leggings - Lily of the Valley Green
  • 22.40
  • 28.00
Organic Cotton Tank Bralette in Peach
Subset
Organic Cotton Tank Bralette in Peach
  • 15.00
  • 48.00
Organic Cotton High-Rise Brief in Cloud Nine
Knickey
Organic Cotton High-Rise Brief in Cloud Nine
  • 10.00
  • 20.00
Leopard Legging
Groceries Apparel
Leopard Legging
  • 88.50
  • 118.00
Organic Cotton High-Rise Brief in Cloud Nine
Subset
Organic Cotton High-Rise Brief in Cloud Nine
  • 10.00
  • 20.00
Leggings - Deer & Foxes Night Sky
Winter Water Factory
Leggings - Deer & Foxes Night Sky
  • 25.60
  • 32.00
Leggings - Trains Blue
Winter Water Factory
Leggings - Trains Blue
  • 25.60
  • 32.00
Bloomers - Veggies Green
Winter Water Factory
Bloomers - Veggies Green
  • 20.30
  • 29.00
Girls' Organic Cotton Marigold Leggings
Crann
Girls' Organic Cotton Marigold Leggings
  • 21.00
  • 28.00
Organic Cotton Scoop Bralette in Cacao
Knickey
Organic Cotton Scoop Bralette in Cacao
  • 24.00
  • 48.00
Organic Cotton Scoop Bralette in Lunar
Subset
Organic Cotton Scoop Bralette in Lunar
  • 24.00
  • 48.00
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
Lemon Twist - Reese Boxer Set - Limoncello
Printfresh
Lemon Twist - Reese Boxer Set - Limoncello
  • 128.00
  • 168.00
Organic Cotton Low-Rise Thong in Cloud Nine
Knickey
Organic Cotton Low-Rise Thong in Cloud Nine
  • 10.00
  • 20.00
Organic Cotton Scoop Bralette in Spice
Knickey
Organic Cotton Scoop Bralette in Spice
  • 24.00
  • 48.00
Organic Cotton Scoop Bralette in Wheat
Knickey
Organic Cotton Scoop Bralette in Wheat
  • 24.00
  • 48.00
Leggings - Moles Blue
Winter Water Factory
Leggings - Moles Blue
  • 25.60
  • 32.00
Guac On & Fresh Margarita - Boyfriend Boxer - Lava Rock
Printfresh
Guac On & Fresh Margarita - Boyfriend Boxer - Lava Rock
  • 28.00
  • 48.00
Lucky Paws - Mens Boxer - Irish Cream
Printfresh
Lucky Paws - Mens Boxer - Irish Cream
  • 28.00
  • 48.00
Organic Cotton Mid-Rise Brief in Lunar
Subset
Organic Cotton Mid-Rise Brief 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
Organic Cotton Mid-Rise Shortie in Garnet
Subset
Organic Cotton Mid-Rise Shortie in Garnet
  • 10.00
  • 20.00
Organic Cotton Mid-Rise Hipster in Aurora
Knickey
Organic Cotton Mid-Rise Hipster in Aurora
  • 10.00
  • 20.00
Baby Leggings - Wildcats Lake Blue
Winter Water Factory
Baby Leggings - Wildcats Lake Blue
  • 19.60
  • 28.00
Leggings - Dutch Floral Delft Blue
Winter Water Factory
Leggings - Dutch Floral Delft Blue
  • 25.60
  • 32.00
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
Momo Midi Legging 19"
Groceries Apparel
Momo Midi Legging 19"
  • 73.50
  • 98.00
Organic Cotton Mid-Rise Shortie in Petal
Subset
Organic Cotton Mid-Rise Shortie in Petal
  • 10.00
  • 20.00
Organic Cotton Low-Rise Thong in Cloud Nine
Subset
Organic Cotton Low-Rise Thong in Cloud Nine
  • 10.00
  • 20.00
Halloween House Cats - Boyfriend Boxer - Purple Tonic
Printfresh
Halloween House Cats - Boyfriend Boxer - Purple Tonic
  • 14.00
  • 48.00
FULL CIRCLE Mariana Body Suit
Mara Hoffman
FULL CIRCLE Mariana Body Suit
  • 147.70
  • 225.00
Leggings - Root Vegetables Chestnut
Winter Water Factory
Leggings - Root Vegetables Chestnut
  • 19.20
  • 32.00
Nursing, Maternity & Beyond Bralette in Folk Floral - FINAL SALE
Mightly
Nursing, Maternity & Beyond Bralette in Folk Floral - FINAL SALE
  • 17.50
  • 35.00
Baby Leggings - Wildcats Navy
Winter Water Factory
Baby Leggings - Wildcats Navy
  • 14.00
  • 28.00
Organic Cotton High-Rise Thong Mystery 3-Pack
Subset
Organic Cotton High-Rise Thong Mystery 3-Pack
  • 20.00
  • 60.00
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 - Apples Red & Green
Winter Water Factory
Baby Leggings - Apples Red & Green
  • 16.80
  • 28.00
Baby Leggings - Veggies Green
Winter Water Factory
Baby Leggings - Veggies Green
  • 22.40
  • 28.00

Filter By

Boxer-shorts (6)
Bras (169)
Leggings (177)
Lingerie (15)
Thongs (83)
Men (39)
Baby (42)
Women (592)
Kids (162)
Unisex (1)
Underwear (836)
All
Organic-Cotton (836)
All
Vitamin A (1)
Knickey (156)
Pansy (15)
Yala (2)
Crann (3)
Everlane (8)
Printfresh (24)
Tonle (6)
Harvest & Mill (4)
Mate (30)
Winter Water Factory (130)
Nu Swim (2)
Loup Charmant (29)
Christy Dawn (2)
United By Blue (3)
Kent (20)
Mara Hoffman (1)
Groceries Apparel (13)
Harvest And Mill (3)
Outerknown (2)
Ten Tree (4)
Subset (156)
Agolde (1)
Ode (35)
Soor Ploom (2)
Another Tomorrow (2)
Wama Underwear (1)
Brook There (53)
Fair Indigo (1)
Known Supply (33)
Go Gently Nation (19)
Mightly (56)
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