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

2039 Products | Page 1 of 43

Page 1 of 43

Sort By:

Commissions may be paid to Ethical Clothing when purchasing items with our partner brands.
APEX Evolution Trunk by Kelly Slater 17" - Outerworn
Outerknown
APEX Evolution Trunk by Kelly Slater 17" - Outerworn
  • 135.00
  • 168.00
Apex Trunks by Kelly Slater - Outerworn
Outerknown
Apex Trunks by Kelly Slater - Outerworn
  • 85.00
  • 145.00
Men's Vapor Brief
Duckworth
Men's Vapor Brief
  • 45.00
All Time Scallop Trunks
Outerknown
All Time Scallop Trunks
  • 98.00
Bikini Brief
Jungmaven
Bikini Brief
  • 40.00
Men's Comet Legging
Duckworth
Men's Comet Legging
  • 139.00
InMotion Double Scoop Bra
Ten Tree
InMotion Double Scoop Bra
  • 58.00
The Everyday Bikini Brief
Ten Tree
The Everyday Bikini Brief
  • 25.00
Granville Legging
Ten Tree
Granville Legging
  • 68.00
Dip swim trunks "Tittles"
Namuk
Dip swim trunks "Tittles"
  • 39.00
The Everyday Scoop Bralette
Ten Tree
The Everyday Scoop Bralette
  • 45.00
InMotion 7/8 High Rise Legging
Ten Tree
InMotion 7/8 High Rise Legging
  • 68.00
Fernie Brushed Legging
Ten Tree
Fernie Brushed Legging
  • 78.00
inMotion Mesh Insert Legging
Ten Tree
inMotion Mesh Insert Legging
  • 78.00
APEX Evolution Trunk by Kelly Slater 17"
Outerknown
APEX Evolution Trunk by Kelly Slater 17"
  • 168.00
Granville Legging
Ten Tree
Granville Legging
  • 68.00
Mens Boxer
This Is J
Mens Boxer
  • 36.90
  • 41.10
Apex Hybrid Trunks by Kelly Slater - Outerworn
Outerknown
Apex Hybrid Trunks by Kelly Slater - Outerworn
  • 77.50
  • 128.00
Women's Maverick Legging
Duckworth
Women's Maverick Legging
  • 119.00
All Time Scallop Trunks
Outerknown
All Time Scallop Trunks
  • 39.00
  • 98.00
InMotion Longline Active Bra
Ten Tree
InMotion Longline Active Bra
  • 58.00
Girlfriend Collective High-Rise Compressive Leggings - Outerworn
Outerknown
Girlfriend Collective High-Rise Compressive Leggings - Outerworn
  • 55.00
  • 68.00
InMotion 7/8 Seamed Legging
Ten Tree
InMotion 7/8 Seamed Legging
  • 68.00
Atlin Legging
Ten Tree
Atlin Legging
  • 62.40
  • 78.00
Granville Legging
Ten Tree
Granville Legging
  • 47.60
  • 68.00
InMotion 7/8 Pocket Legging
Ten Tree
InMotion 7/8 Pocket Legging
  • 78.00
The Everyday Bra
Ten Tree
The Everyday Bra
  • 45.00
Luxe Fleece Legging
Ten Tree
Luxe Fleece Legging
  • 68.00
Racer Bra
Jungmaven
Racer Bra
  • 44.00
Granville Legging
Ten Tree
Granville Legging
  • 68.00
Mens Boxer
This Is J
Mens Boxer
  • 41.10
Mens Boxer
This Is J
Mens Boxer
  • 36.90
  • 41.10
InMotion 7/8 Pocket Legging
Ten Tree
InMotion 7/8 Pocket Legging
  • 78.00
The Everyday Thong
Ten Tree
The Everyday Thong
  • 20.00
All Time Scallop Trunks
Outerknown
All Time Scallop Trunks
  • 98.00
InMotion 7/8 Seamed Legging
Ten Tree
InMotion 7/8 Seamed Legging
  • 68.00
inMotion Pocket Legging
Ten Tree
inMotion Pocket Legging
  • 78.00
The 5" Boxer Brief
Ten Tree
The 5" Boxer Brief
  • 40.00
The Everyday Bra
Ten Tree
The Everyday Bra
  • 36.00
  • 45.00
InMotion Longline Active Bra
Ten Tree
InMotion Longline Active Bra
  • 58.00
InMotion Longline Active Bra
Ten Tree
InMotion Longline Active Bra
  • 58.00
All Time Scallop Trunks
Outerknown
All Time Scallop Trunks
  • 98.00
Granville Legging
Ten Tree
Granville Legging
  • 68.00
Orosi Leggings - Mid Rise
Jungmaven
Orosi Leggings - Mid Rise
  • 88.00
InMotion Longline Active Bra
Ten Tree
InMotion Longline Active Bra
  • 46.40
  • 58.00
Alta Legging
Ten Tree
Alta Legging
  • 40.00
inMotion Mesh Insert Legging
Ten Tree
inMotion Mesh Insert Legging
  • 78.00
Nomadic Stretch Trunks - Outerworn
Outerknown
Nomadic Stretch Trunks - Outerworn
  • 55.00
  • 98.00

Filter By

Boxer-shorts (8)
Bras (393)
Leggings (540)
Lingerie (39)
Panties (1)
Thongs (126)
Baby (61)
Kids (260)
Men (145)
Unisex (8)
Women (1565)
Underwear (2039)
All
Bamboo (19)
Cashmere (1)
Cotton (188)
Hemp (14)
Linen (1)
Lyocell-Tencel (13)
Organic-Cotton (920)
Other (613)
Silk (28)
Sustainable-Synthetic (225)
Viscose (4)
Wool (13)
Abysse (17)
Agolde (15)
Another Tomorrow (5)
Brook There (27)
Christy Dawn (29)
Cotopaxi (2)
Crann (3)
Cuyana (4)
Duckworth (4)
Emerson Fry (1)
Everlane (143)
Fair Indigo (5)
Figge (5)
Galamaar (120)
Girlfriend Collective (169)
Go Gently Nation (21)
Groceries Apparel (15)
Happy Earth (35)
Harvest And Mill (4)
Harvest & Mill (4)
Hello Jackalo (1)
Janji (9)
Jungmaven (12)
Kent (33)
Knickey (181)
Known Supply (33)
Loop Swim (7)
Loup Charmant (49)
Lovetrust (1)
Mara Hoffman (1)
Mate (45)
Miakoda (1)
Mightly (123)
Namuk (8)
Nui (1)
Nu Swim (5)
Ode (76)
Outerknown (48)
Ozma (12)
Pansy (28)
Printfresh (27)
Re/Done (4)
Reformation (2)
Reprise (11)
Seek Collective (1)
Soor Ploom (17)
Subset (180)
Taylor Stitch (17)
Ten Tree (89)
This Is J (6)
Threads 4 Thought (110)
Toad And Co (2)
Tonle (7)
United By Blue (22)
Vitamin A (47)
Wama Underwear (14)
Wayre (5)
We-Ar4 (1)
Winter Water Factory (166)
Yala (9)
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