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

855 Products | Page 3 of 18

Page 3 of 18

Sort By:

Commissions may be paid to Ethical Clothing when purchasing items with our partner brands.
Dip swim trunks "Petsies"
Namuk
Dip swim trunks "Petsies"
  • 39.00
Mens Boxer
This Is J
Mens Boxer
  • 41.10
Men's Vapor Brief
Duckworth
Men's Vapor Brief
  • 45.00
The 5" Boxer Brief
Ten Tree
The 5" Boxer Brief
  • 40.00
Bikini Brief - Sale Colors
Jungmaven
Bikini Brief - Sale Colors
  • 36.00
  • 40.00
Apex Hybrid Trunks by Kelly Slater - Outerworn
Outerknown
Apex Hybrid Trunks by Kelly Slater - Outerworn
  • 77.50
  • 128.00
Apex Trunks By Kelly Slater - Outerworn
Outerknown
Apex Trunks By Kelly Slater - Outerworn
  • 100.00
  • 145.00
Atlin Legging
Ten Tree
Atlin Legging
  • 78.00
APEX Trunks By Kelly Slater - Outerworn
Outerknown
APEX Trunks By Kelly Slater - Outerworn
  • 110.00
  • 145.00
Nomadic Volley
Outerknown
Nomadic Volley
  • 39.00
  • 78.00
Bikini Brief
Jungmaven
Bikini Brief
  • 40.00
Men's Maverick Legging
Duckworth
Men's Maverick Legging
  • 119.00
Elfin Bra
Ten Tree
Elfin Bra
  • 58.00
inMotion Mesh Insert Legging
Ten Tree
inMotion Mesh Insert Legging
  • 78.00
Mens Boxer
This Is J
Mens Boxer
  • 41.10
Nomadic Stretch Trunks - Outerworn
Outerknown
Nomadic Stretch Trunks - Outerworn
  • 50.50
  • 78.00
Nomadic Stretch Trunks - Outerworn
Outerknown
Nomadic Stretch Trunks - Outerworn
  • 64.00
  • 98.00
Tasty Scallop Trunks - Outerworn
Outerknown
Tasty Scallop Trunks - Outerworn
  • 60.00
  • 128.00
Boxer Brief
Jungmaven
Boxer Brief
  • 48.00
InMotion Double Scoop Bra
Ten Tree
InMotion Double Scoop Bra
  • 58.00
The Everyday Bra
Ten Tree
The Everyday Bra
  • 45.00
M's Trail Tight
Janji
M's Trail Tight
  • 108.00
The Everyday Bra
Ten Tree
The Everyday Bra
  • 45.00
The 5" Boxer Brief
Ten Tree
The 5" Boxer Brief
  • 40.00
The 5" Boxer Brief
Ten Tree
The 5" Boxer Brief
  • 40.00
Granville Legging
Ten Tree
Granville Legging
  • 68.00
Apex Trunks by Kelly Slater - Outerworn
Outerknown
Apex Trunks by Kelly Slater - Outerworn
  • 120.00
  • 145.00
Elfin Bra
Ten Tree
Elfin Bra
  • 58.00
Triangle Bra - Sale Colors
Jungmaven
Triangle Bra - Sale Colors
  • 20.00
  • 44.00
Granville Legging
Ten Tree
Granville Legging
  • 68.00
Granville Legging
Ten Tree
Granville Legging
  • 68.00
Apex Trunks by Kelly Slater - Outerworn
Outerknown
Apex Trunks by Kelly Slater - Outerworn
  • 64.00
  • 145.00
APEX Trunks by Kelly Slater - Outerworn
Outerknown
APEX Trunks by Kelly Slater - Outerworn
  • 70.00
  • 145.00
InMotion Longline Active Bra
Ten Tree
InMotion Longline Active Bra
  • 58.00
Triangle Bra
Jungmaven
Triangle Bra
  • 44.00
inMotion Mesh Insert Legging
Ten Tree
inMotion Mesh Insert Legging
  • 78.00
Granville Legging
Ten Tree
Granville Legging
  • 68.00
InMotion Longline Active Bra
Ten Tree
InMotion Longline Active Bra
  • 58.00
All Time Scallop Trunks
Outerknown
All Time Scallop Trunks
  • 98.00
All Time Scallop Trunks
Outerknown
All Time Scallop Trunks
  • 49.00
  • 98.00
APEX Evolution Trunk by Kelly Slater
Outerknown
APEX Evolution Trunk by Kelly Slater
  • 168.00
InMotion Double Scoop Bra
Ten Tree
InMotion Double Scoop Bra
  • 58.00
Sova Merino leggings
Namuk
Sova Merino leggings
  • 49.00
APEX Trunks By Kelly Slater - Outerworn
Outerknown
APEX Trunks By Kelly Slater - Outerworn
  • 100.00
  • 145.00
Evolution Trunk - Outerworn
Outerknown
Evolution Trunk - Outerworn
  • 38.35
  • 85.00
The Everyday Bikini Brief
Ten Tree
The Everyday Bikini Brief
  • 25.00
InMotion Longline Active Bra
Ten Tree
InMotion Longline Active Bra
  • 58.00
Nomadic Volley - Outerworn
Outerknown
Nomadic Volley - Outerworn
  • 35.00
  • 78.00

Filter By

Bras (184)
Leggings (228)
Lingerie (30)
Panties (1)
Thongs (47)
Baby (1)
Kids (15)
Men (136)
Unisex (26)
Women (677)
Underwear (855)
All
Bamboo (12)
Cashmere (1)
Cotton (55)
Hemp (17)
Linen (1)
Lyocell-Tencel (2)
Organic-Cotton (368)
Other (362)
Sustainable-Synthetic (31)
Wool (6)
Brook There (27)
Christy Dawn (28)
Crann (3)
Cuyana (4)
Duckworth (4)
Emerson Fry (1)
Fair Indigo (5)
Happy Earth (35)
Harvest And Mill (4)
Hello Jackalo (1)
Janji (9)
Jungmaven (14)
Kent (25)
Knickey (180)
Mara Hoffman (1)
Mate (44)
Miakoda (3)
Namuk (5)
Ode (70)
Outerknown (60)
Seek Collective (1)
Ten Tree (89)
The Good Tee (1)
This Is J (6)
Threads 4 Thought (120)
Toad And Co (2)
Tonle (7)
Vitamin A (45)
Vuori (39)
Wama Underwear (14)
Whimsy And Row (1)
Yala (7)
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