Where are you browsing from today?

USA flag

US
EU / UK

Ethical Clothing
USA flag

Sustainable Men's Cotton Underwear

Shop for men's cotton underwear from the top ethical and sustainable clothing brands in the United States

40 Products | Page 1 of 1 | On Sale Selected

Page 1 of 1 | On Sale Selected

Sort By:

Commissions may be paid to Ethical Clothing when purchasing items with our partner brands.
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
The Surf Trunk in Navy
Taylor Stitch
The Surf Trunk in Navy
  • 39.00
  • 88.00
Men's Trio - 3 Organic Cotton Breather Briefs
Kent
Men's Trio - 3 Organic Cotton Breather Briefs
  • 97.00
  • 102.00
The Supima® Longer Boxer Brief | Uniform | Heather Blue
Everlane
The Supima® Longer Boxer Brief | Uniform | Heather Blue
  • 12.00
  • 24.00
Men's Full Week - 7 Organic Cotton Breather Boxers
Kent
Men's Full Week - 7 Organic Cotton Breather Boxers
  • 204.00
  • 238.00
Men's Full Week - 7 Organic Cotton Breather Briefs
Kent
Men's Full Week - 7 Organic Cotton Breather Briefs
  • 205.00
  • 238.00
Organic Cotton Mid-Rise Retro Brief in Meridian
Knickey
Organic Cotton Mid-Rise Retro Brief in Meridian
  • 10.00
  • 20.00
The Supima® Boxer Brief | Uniform | Black
Everlane
The Supima® Boxer Brief | Uniform | Black
  • 20.00
  • 28.00
The Supima® Longer Boxer Brief | Uniform | Black
Everlane
The Supima® Longer Boxer Brief | Uniform | Black
  • 20.00
  • 28.00
The Supima® Boxer Brief | Uniform | Heathered Grey
Everlane
The Supima® Boxer Brief | Uniform | Heathered Grey
  • 7.00
  • 24.00
Herringbone Tights
Soor Ploom
Herringbone Tights
  • 22.00
  • 38.00
The Supima® Longer Boxer Brief | Uniform | Heather Charcoal
Everlane
The Supima® Longer Boxer Brief | Uniform | Heather Charcoal
  • 20.00
  • 28.00
The Supima® Boxer | Uniform | Deep Navy
Everlane
The Supima® Boxer | Uniform | Deep Navy
  • 14.00
  • 24.00
Men's Work Week - 5 Organic Cotton Breather Briefs
Kent
Men's Work Week - 5 Organic Cotton Breather Briefs
  • 153.00
  • 170.00
The Supima® Boxer | Uniform | Kalamata
Everlane
The Supima® Boxer | Uniform | Kalamata
  • 14.00
  • 24.00
The Supima® Longer Boxer Brief | Uniform | Heathered Grey
Everlane
The Supima® Longer Boxer Brief | Uniform | Heathered Grey
  • 8.00
  • 28.00
The Supima® Boxer Brief | Uniform | Deep Navy
Everlane
The Supima® Boxer Brief | Uniform | Deep Navy
  • 20.00
  • 28.00
The Supima® Boxer | Uniform | Heathered Charcoal
Everlane
The Supima® Boxer | Uniform | Heathered Charcoal
  • 12.00
  • 24.00
The Supima® Longer Boxer Brief | Uniform | Deep Navy
Everlane
The Supima® Longer Boxer Brief | Uniform | Deep Navy
  • 20.00
  • 28.00
The Supima® Boxer Brief | Uniform | Heather Charcoal
Everlane
The Supima® Boxer Brief | Uniform | Heather Charcoal
  • 20.00
  • 28.00
Men's Trio - 3 Organic Cotton Breather Boxers
Kent
Men's Trio - 3 Organic Cotton Breather Boxers
  • 97.00
  • 102.00
Organic Cotton Mid-Rise Hipster Mystery 3-Pack
Knickey
Organic Cotton Mid-Rise Hipster Mystery 3-Pack
  • 20.00
  • 60.00
Organic Cotton Mid-Rise Brief Mystery 3-Pack
Knickey
Organic Cotton Mid-Rise Brief Mystery 3-Pack
  • 20.00
  • 60.00
Organic Cotton High-Rise Thong Mystery 3-Pack
Knickey
Organic Cotton High-Rise Thong Mystery 3-Pack
  • 20.00
  • 60.00
Organic Cotton Mid-Rise Shortie in Meridian
Knickey
Organic Cotton Mid-Rise Shortie in Meridian
  • 10.00
  • 20.00
The Supima® Boxer Brief | Uniform | Heather Blue
Everlane
The Supima® Boxer Brief | Uniform | Heather Blue
  • 14.00
  • 24.00
Bandana Leggings - FINAL SALE
Mightly
Bandana Leggings - FINAL SALE
  • 12.00
  • 30.00
The Surf Trunk in Sage
Taylor Stitch
The Surf Trunk in Sage
  • 39.00
  • 88.00
Hipster Trio ~ 3 Organic Cotton Underwear
Kent
Hipster Trio ~ 3 Organic Cotton Underwear
  • 80.00
  • 84.00
The Bayberry Trunk in Sandbar
Taylor Stitch
The Bayberry Trunk in Sandbar
  • 52.00
  • 72.00
Organic Cotton High-Rise Brief Mystery 3-Pack
Knickey
Organic Cotton High-Rise Brief Mystery 3-Pack
  • 20.00
  • 60.00
Organic Cotton Mid-Rise Retro Brief in Petal
Knickey
Organic Cotton Mid-Rise Retro Brief in Petal
  • 10.00
  • 20.00
The Supima® Boxer Brief | Uniform | Kalamata
Everlane
The Supima® Boxer Brief | Uniform | Kalamata
  • 7.00
  • 24.00
The Supima® Boxer | Uniform | Black
Everlane
The Supima® Boxer | Uniform | Black
  • 12.00
  • 24.00
Organic Cotton Low-Rise Thong Mystery 3-Pack
Knickey
Organic Cotton Low-Rise Thong Mystery 3-Pack
  • 20.00
  • 60.00
Ombre Shooting Star Legging - FINAL SALE
Mightly
Ombre Shooting Star Legging - FINAL SALE
  • 10.00
  • 25.00
Men's Work Week - 5 Organic Cotton Breather Boxers
Kent
Men's Work Week - 5 Organic Cotton Breather Boxers
  • 153.00
  • 170.00
The Bayberry Trunk in Mirage Palm
Taylor Stitch
The Bayberry Trunk in Mirage Palm
  • 50.40
  • 72.00
The Supima® Longer Boxer Brief | Uniform | Kalamata
Everlane
The Supima® Longer Boxer Brief | Uniform | Kalamata
  • 11.00
  • 28.00

Why buy cotton underwear ?

Men's cotton underwear is an essential item of clothing for any man. It provides comfort, breathability, and protection against chafing while being soft and lightweight. Whether you are looking for classic briefs or boxer shorts in a variety of styles, colors and fits; there is something to suit every man’s needs. Cotton underwear can also help keep you cool during hotter days due to its natural moisture-wicking properties that allow air circulation around the body. With all these benefits combined, men’s cotton underwear is perfect for everyday wear or special occasions alike - making it ideal for any wardrobe!

Filter By

Leggings (2)
Thongs (2)
Men (40)
All
Underwear (40)
All
Cotton (23)
Organic-Cotton (17)
All
Everlane (16)
Happy Earth (1)
Harvest And Mill (2)
Harvest & Mill (2)
Kent (11)
Knickey (33)
Mightly (30)
Namuk (1)
Ode (1)
Outerknown (2)
Printfresh (1)
Soor Ploom (1)
Subset (5)
Taylor Stitch (4)
United By Blue (2)
Wama Underwear (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