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

384 Products | Page 2 of 8 | On Sale Selected

Page 2 of 8 | On Sale Selected

Sort By:

Commissions may be paid to Ethical Clothing when purchasing items with our partner brands.
Organic Cotton Legging
Ten Tree
Organic Cotton Legging
  • 18.00
  • 30.00
Nomadic Trunk - Outerworn
Outerknown
Nomadic Trunk - Outerworn
  • 40.00
  • 58.00
Apex Trunks by Kelly Slater - Outerworn
Outerknown
Apex Trunks by Kelly Slater - Outerworn
  • 120.00
  • 145.00
Apex Hybrid Trunks By Kelly Slater - Outerworn
Outerknown
Apex Hybrid Trunks By Kelly Slater - Outerworn
  • 95.00
  • 128.00
InMotion 7/8 Pocket Legging
Ten Tree
InMotion 7/8 Pocket Legging
  • 46.80
  • 78.00
APEX Trunks by Kelly Slater - Outerworn
Outerknown
APEX Trunks by Kelly Slater - Outerworn
  • 118.00
  • 145.00
Apex Trunks by Kelly Slater - Outerworn
Outerknown
Apex Trunks by Kelly Slater - Outerworn
  • 85.00
  • 145.00
Orosi Pocket Leggings - Mid Rise
Jungmaven
Orosi Pocket Leggings - Mid Rise
  • 39.00
  • 88.00
Triangle Bra - Sale Colors
Jungmaven
Triangle Bra - Sale Colors
  • 20.00
  • 44.00
Granville Legging
Ten Tree
Granville Legging
  • 54.40
  • 68.00
APEX Trunks by Kelly Slater - Outerworn
Outerknown
APEX Trunks by Kelly Slater - Outerworn
  • 70.00
  • 145.00
Risa Flared Leggings with Pockets
Jungmaven
Risa Flared Leggings with Pockets
  • 39.00
  • 88.00
All Time Scallop Trunks
Outerknown
All Time Scallop Trunks
  • 49.00
  • 98.00
InMotion Longline Active Bra
Ten Tree
InMotion Longline Active Bra
  • 23.20
  • 58.00
Granville Legging
Ten Tree
Granville Legging
  • 47.60
  • 68.00
Apex Trunks by Kelly Slater - Outerworn
Outerknown
Apex Trunks by Kelly Slater - Outerworn
  • 110.00
  • 145.00
Granville Legging
Ten Tree
Granville Legging
  • 40.80
  • 68.00
Mens Boxer
This Is J
Mens Boxer
  • 36.90
  • 41.10
InMotion 7/8 Pocket Legging
Ten Tree
InMotion 7/8 Pocket Legging
  • 46.80
  • 78.00
InMotion Longline Active Bra
Ten Tree
InMotion Longline Active Bra
  • 34.80
  • 58.00
InMotion Longline Active Bra
Ten Tree
InMotion Longline Active Bra
  • 29.00
  • 58.00
Granville Legging
Ten Tree
Granville Legging
  • 40.80
  • 68.00
InMotion Longline Active Bra
Ten Tree
InMotion Longline Active Bra
  • 23.20
  • 58.00
APEX Trunks By Kelly Slater - FINAL SALE
Outerknown
APEX Trunks By Kelly Slater - FINAL SALE
  • 73.00
  • 145.00
Dobby Modern Scallop Trunks - Outerworn
Outerknown
Dobby Modern Scallop Trunks - Outerworn
  • 35.00
  • 68.00
InMotion Mesh Insert Bra Top
Ten Tree
InMotion Mesh Insert Bra Top
  • 20.00
  • 50.00
InMotion Longline Active Bra
Ten Tree
InMotion Longline Active Bra
  • 40.60
  • 58.00
Luxe Fleece Legging
Ten Tree
Luxe Fleece Legging
  • 27.20
  • 68.00
InMotion 7/8 Seamed Legging
Ten Tree
InMotion 7/8 Seamed Legging
  • 27.20
  • 68.00
Granville Legging
Ten Tree
Granville Legging
  • 40.80
  • 68.00
Tasty Scallop Trunks - Outerworn
Outerknown
Tasty Scallop Trunks - Outerworn
  • 74.00
  • 128.00
APEX Evolution Trunk by Kelly Slater 17" - FINAL SALE
Outerknown
APEX Evolution Trunk by Kelly Slater 17" - FINAL SALE
  • 84.00
  • 168.00
Apex Hybrid Trunks by Kelly Slater - Outerworn
Outerknown
Apex Hybrid Trunks by Kelly Slater - Outerworn
  • 77.50
  • 128.00
InMotion 7/8 High Rise Legging
Ten Tree
InMotion 7/8 High Rise Legging
  • 40.80
  • 68.00
InMotion 7/8 Seamed Legging
Ten Tree
InMotion 7/8 Seamed Legging
  • 27.20
  • 68.00
Apex Trunks by Kelly Slater - Outerworn
Outerknown
Apex Trunks by Kelly Slater - Outerworn
  • 46.00
  • 145.00
Granville Legging
Ten Tree
Granville Legging
  • 27.20
  • 68.00
APEX Trunks by Kelly Slater 17" - FINAL SALE
Outerknown
APEX Trunks by Kelly Slater 17" - FINAL SALE
  • 73.00
  • 145.00
Bodysuit - Sale Colors
Jungmaven
Bodysuit - Sale Colors
  • 29.00
  • 66.00
Alta Legging
Ten Tree
Alta Legging
  • 36.00
  • 40.00
All Time Scallop Trunks
Outerknown
All Time Scallop Trunks
  • 49.00
  • 98.00
inMotion Pocket Legging
Ten Tree
inMotion Pocket Legging
  • 31.20
  • 78.00
InMotion Longline Active Bra
Ten Tree
InMotion Longline Active Bra
  • 23.20
  • 58.00
Apex Trunks By Kelly Slater - Outerworn
Outerknown
Apex Trunks By Kelly Slater - Outerworn
  • 110.00
  • 145.00
Apex Trunks by Kelly Slater - Outerworn
Outerknown
Apex Trunks by Kelly Slater - Outerworn
  • 70.00
  • 125.00
Granville Legging
Ten Tree
Granville Legging
  • 27.20
  • 68.00
InMotion 7/8 Pocket Legging
Ten Tree
InMotion 7/8 Pocket Legging
  • 46.80
  • 78.00
InMotion Longline Active Bra
Ten Tree
InMotion Longline Active Bra
  • 23.20
  • 58.00

Filter By

Bras (99)
Leggings (107)
Lingerie (8)
Thongs (21)
Kids (7)
Men (58)
Unisex (2)
Women (317)
Underwear (384)
All
Bamboo (3)
Cotton (45)
Hemp (5)
Linen (1)
Organic-Cotton (106)
Other (208)
Sustainable-Synthetic (15)
Wool (1)
A Day (1)
Brook There (41)
Christy Dawn (26)
Crann (3)
Cuyana (7)
Duckworth (4)
Emerson Fry (1)
Fair Indigo (5)
Happy Earth (8)
Harvest And Mill (4)
Hello Jackalo (1)
Janji (9)
Jungmaven (14)
Kent (36)
Knickey (179)
Mara Hoffman (1)
Mate (43)
Miakoda (4)
Namuk (7)
Ode (70)
Outerknown (47)
Seek Collective (1)
Ten Tree (87)
The Good Tee (1)
This Is J (6)
Threads 4 Thought (136)
Toad And Co (2)
Tonle (6)
Vitamin A (46)
Vuori (50)
Wama Underwear (14)
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