Where are you browsing from today?

USA flag

US
EU / UK

Ethical Clothing
USA flag

Sustainable Underwear

Shop for underwear from the top ethical and sustainable clothing brands in the United States

705 Products | Page 10 of 15 | On Sale Selected

Page 10 of 15 | On Sale Selected

Sort By:

Commissions may be paid to Ethical Clothing when purchasing items with our partner brands.
High Kick Brief in Grappa
Galamaar
High Kick Brief in Grappa
  • 86.00
  • 124.00
Band Brief in Lido
Galamaar
Band Brief in Lido
  • 85.00
  • 118.00
Baby Leggings - Treehouses Green
Winter Water Factory
Baby Leggings - Treehouses Green
  • 16.80
  • 28.00
Gumdrop Elena Long Sleeve Bodysuit
Girlfriend Collective
Gumdrop Elena Long Sleeve Bodysuit
  • 26.40
  • 88.00
Moss Bralette Top - Creamsicle EcoRib
Vitamin A
Moss Bralette Top - Creamsicle EcoRib
  • 45.00
  • 100.00
Organic Cotton Tank Bralette in Carbon
Subset
Organic Cotton Tank Bralette in Carbon
  • 15.00
  • 48.00
Organic Cotton Mid-Rise Hipster in Cloud Nine
Knickey
Organic Cotton Mid-Rise Hipster in Cloud Nine
  • 15.00
  • 20.00
Bodysuit - Cassiopée Lace - Gold Sunflower
Ode
Bodysuit - Cassiopée Lace - Gold Sunflower
  • 31.30
  • 103.70
Saskia Colorblock Legging 24"
Threads 4 Thought
Saskia Colorblock Legging 24"
  • 50.00
  • 78.00
Monica High Rise 7/8 Legging 24"
Threads 4 Thought
Monica High Rise 7/8 Legging 24"
  • 19.20
  • 48.00
Organic Cotton Mid-Rise Brief in Aurora
Knickey
Organic Cotton Mid-Rise Brief in Aurora
  • 10.00
  • 20.00
Active Golden Leggings - FINAL SALE
Mightly
Active Golden Leggings - FINAL SALE
  • 10.00
  • 20.00
Bloomers - Submarines Blue & Orange
Winter Water Factory
Bloomers - Submarines Blue & Orange
  • 14.50
  • 29.00
The Form Square-Neck Bodysuit | Deep Taupe
Everlane
The Form Square-Neck Bodysuit | Deep Taupe
  • 17.00
  • 58.00
Cairn Triangle Bra
Brook There
Cairn Triangle Bra
  • 40.60
  • 58.00
The Perform Legging® | Pine | Ankle
Everlane
The Perform Legging® | Pine | Ankle
  • 20.00
  • 68.00
The Perform 24/7 Legging | Mocha | 28" Inseam
Everlane
The Perform 24/7 Legging | Mocha | 28" Inseam
  • 20.00
  • 68.00
Baby Leggings - Lily of the Valley Green
Winter Water Factory
Baby Leggings - Lily of the Valley Green
  • 22.40
  • 28.00
Neo Keep It Brief Bikini Bottom
Loop Swim
Neo Keep It Brief Bikini Bottom
  • 48.00
  • 68.00
Curve Brief in Garnet
Galamaar
Curve Brief in Garnet
  • 59.00
  • 118.00
Leggings - Trees Navy
Winter Water Factory
Leggings - Trees Navy
  • 16.00
  • 32.00
Curve Brief in Bisou
Galamaar
Curve Brief in Bisou
  • 59.00
  • 118.00
Men's Breather Brief Trio - Cloud/Charcoal/Gray
Kent
Men's Breather Brief Trio - Cloud/Charcoal/Gray
  • 97.00
  • 102.00
Organic Cotton Scoop Bralette in Peach
Knickey
Organic Cotton Scoop Bralette in Peach
  • 24.00
  • 48.00
Monica Pocket High Rise 7/8 Legging 24"
Threads 4 Thought
Monica Pocket High Rise 7/8 Legging 24"
  • 29.00
  • 58.00
Organic Cotton Mid-Rise Shortie in Petal
Subset
Organic Cotton Mid-Rise Shortie in Petal
  • 10.00
  • 20.00
Organic Cotton High-Rise Thong Mystery 3-Pack
Subset
Organic Cotton High-Rise Thong Mystery 3-Pack
  • 20.00
  • 60.00
Naomi Bodysuit, Regen Silk Noil Jersey, Manzanita
Ozma
Naomi Bodysuit, Regen Silk Noil Jersey, Manzanita
  • 118.00
  • 148.00
The Cotton Tank Bra | Heathered Grey
Everlane
The Cotton Tank Bra | Heathered Grey
  • 7.00
  • 28.00
SALE Knickey Keyhole Bralette in Carbon
Knickey
SALE Knickey Keyhole Bralette in Carbon
  • 15.00
  • 48.00
Leggings - Gourds & Pumpkins Green & Orange
Winter Water Factory
Leggings - Gourds & Pumpkins Green & Orange
  • 16.00
  • 32.00
Bloomers - Highland Cows Green
Winter Water Factory
Bloomers - Highland Cows Green
  • 23.20
  • 29.00
Luxe Link Bralette Top - Poppy ReLux
Vitamin A
Luxe Link Bralette Top - Poppy ReLux
  • 65.00
  • 130.00
Organic Cotton Tank Bralette in Lunar
Subset
Organic Cotton Tank Bralette in Lunar
  • 15.00
  • 48.00
Organic Cotton Low-Rise Thong in Lunar
Knickey
Organic Cotton Low-Rise Thong in Lunar
  • 10.00
  • 20.00
Oceania Keep It Brief Bikini Bottom
Loop Swim
Oceania Keep It Brief Bikini Bottom
  • 48.00
  • 68.00
Mikayla Legging
Threads 4 Thought
Mikayla Legging
  • 31.20
  • 78.00
Organic Cotton Mid-Rise Brief in Cloud Nine
Knickey
Organic Cotton Mid-Rise Brief in Cloud Nine
  • 10.00
  • 20.00
The Perform 24/7 Legging | Ocean Blue | 28" Inseam
Everlane
The Perform 24/7 Legging | Ocean Blue | 28" Inseam
  • 23.00
  • 78.00
Cross-Front Pull-Over Nursing & Maternity Bralette - Solids - FINAL SALE
Mightly
Cross-Front Pull-Over Nursing & Maternity Bralette - Solids - FINAL SALE
  • 17.50
  • 35.00
The Perform 24/7 Legging | Lilac Grey | 25" Inseam
Everlane
The Perform 24/7 Legging | Lilac Grey | 25" Inseam
  • 20.00
  • 68.00
Organic Cotton Mid-Rise Hipster Mystery 3-Pack
Subset
Organic Cotton Mid-Rise Hipster Mystery 3-Pack
  • 20.00
  • 60.00
SALE Knickey Triangle Bralette in Cacao
Knickey
SALE Knickey Triangle Bralette in Cacao
  • 15.00
  • 48.00
Women's Organic 100% Cotton Seamed Leggings with Pockets
Fair Indigo
Women's Organic 100% Cotton Seamed Leggings with Pockets
  • 55.99
  • 69.90
Organic Cotton Triangle Soft Bra in Gale
Subset
Organic Cotton Triangle Soft Bra in Gale
  • 53.00
  • 62.00
Kids Organic Cotton Leggings 3 Pack. No Reinforced Knee - FINAL SALE
Mightly
Kids Organic Cotton Leggings 3 Pack. No Reinforced Knee - FINAL SALE
  • 22.95
  • 44.95
SALE Knickey Triangle Bralette in Spice
Knickey
SALE Knickey Triangle Bralette in Spice
  • 15.00
  • 48.00
Rita Pocket High Rise 7/8 Sport Legging 24"
Threads 4 Thought
Rita Pocket High Rise 7/8 Sport Legging 24"
  • 54.60
  • 78.00

Filter By

Boxer-shorts (11)
Bras (333)
Leggings (484)
Lingerie (43)
Thongs (142)
Men (150)
Baby (46)
Women (1510)
Kids (252)
Unisex (6)
Underwear (1964)
All
Cashmere (1)
Viscose (5)
Sustainable-Synthetic (253)
Lyocell-Tencel (13)
Bamboo (17)
Cotton (185)
Silk (26)
Linen (1)
Other (546)
Hemp (10)
Wool (14)
Organic-Cotton (893)
A Day (1)
Vitamin A (47)
Cotopaxi (2)
Cuyana (7)
Namuk (7)
Re/Done (3)
Knickey (175)
We-Ar4 (1)
Pansy (29)
Yala (8)
Loop Swim (7)
Crann (3)
Reprise (11)
Everlane (148)
Duckworth (5)
Threads 4 Thought (92)
Printfresh (37)
Tonle (7)
Harvest & Mill (4)
Mate (47)
Miakoda (1)
Winter Water Factory (143)
Lovetrust (1)
Nu Swim (5)
Loup Charmant (42)
Taylor Stitch (17)
Christy Dawn (32)
Abysse (19)
United By Blue (18)
Kent (28)
Seek Collective (1)
Mara Hoffman (1)
Emerson Fry (1)
Groceries Apparel (15)
Figge (5)
Wayre (5)
Jungmaven (11)
Toad And Co (1)
Harvest And Mill (4)
Hello Jackalo (1)
Girlfriend Collective (102)
Outerknown (45)
Nui (1)
Ten Tree (89)
Subset (173)
Agolde (15)
Janji (8)
Ode (76)
Ozma (12)
Soor Ploom (17)
Another Tomorrow (5)
Wama Underwear (6)
Brook There (42)
Fair Indigo (5)
Reformation (13)
Known Supply (33)
This Is J (5)
Go Gently Nation (20)
Galamaar (150)
Mightly (120)
Happy Earth (35)
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