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Sustainable Men's Underwear

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

127 Products | Page 1 of 3

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Mens Boxer
This Is J
Mens Boxer
  • 41.10
Mens Boxer
This Is J
Mens Boxer
  • 36.90
  • 41.10
APEX Trunks by Kelly Slater - Outerworn
Outerknown
APEX Trunks by Kelly Slater - Outerworn
  • 70.00
  • 145.00
All Time Scallop Trunks
Outerknown
All Time Scallop Trunks
  • 39.00
  • 98.00
APEX Evolution Trunk by Kelly Slater 17"
Outerknown
APEX Evolution Trunk by Kelly Slater 17"
  • 168.00
APEX Evolution Trunk by Kelly Slater 17"
Outerknown
APEX Evolution Trunk by Kelly Slater 17"
  • 168.00
APEX Evolution Trunk by Kelly Slater
Outerknown
APEX Evolution Trunk by Kelly Slater
  • 168.00
Nomadic Volley - Outerworn
Outerknown
Nomadic Volley - Outerworn
  • 35.00
  • 78.00
Sample Sale: Mens Boxer
This Is J
Sample Sale: Mens Boxer
  • 20.20
  • 41.10
Nomadic Volley - Outerworn
Outerknown
Nomadic Volley - Outerworn
  • 46.00
  • 78.00
All Time Scallop Trunks
Outerknown
All Time Scallop Trunks
  • 98.00
M's Boreal Fleece Tight
Janji
M's Boreal Fleece Tight
  • 134.00
APEX Evolution Trunk by Kelly Slater
Outerknown
APEX Evolution Trunk by Kelly Slater
  • 168.00
APEX Evolution Trunk by Kelly Slater 17" - Outerworn
Outerknown
APEX Evolution Trunk by Kelly Slater 17" - Outerworn
  • 135.00
  • 168.00
Evolution Trunk - Outerworn
Outerknown
Evolution Trunk - Outerworn
  • 38.35
  • 85.00
M's Trail Tight
Janji
M's Trail Tight
  • 108.00
Apex Hybrid Trunks by Kelly Slater - Outerworn
Outerknown
Apex Hybrid Trunks by Kelly Slater - Outerworn
  • 77.50
  • 128.00
APEX Evolution Trunk by Kelly Slater
Outerknown
APEX Evolution Trunk by Kelly Slater
  • 168.00
All Time Scallop Trunks
Outerknown
All Time Scallop Trunks
  • 98.00
Men's Comet Legging
Duckworth
Men's Comet Legging
  • 139.00
APEX Evolution Trunk by Kelly Slater
Outerknown
APEX Evolution Trunk by Kelly Slater
  • 168.00
Apex Trunks by Kelly Slater - Outerworn
Outerknown
Apex Trunks by Kelly Slater - Outerworn
  • 130.00
  • 145.00
APEX Trunks by Kelly Slater - Outerworn
Outerknown
APEX Trunks by Kelly Slater - Outerworn
  • 70.00
  • 145.00
All Time Scallop Trunks
Outerknown
All Time Scallop Trunks
  • 98.00
Men's Vapor Brief
Duckworth
Men's Vapor Brief
  • 45.00
All Time Scallop Trunks
Outerknown
All Time Scallop Trunks
  • 69.00
  • 98.00
Nomadic Stretch Trunks - Outerworn
Outerknown
Nomadic Stretch Trunks - Outerworn
  • 50.50
  • 78.00
Apex Trunks by Kelly Slater - Outerworn
Outerknown
Apex Trunks by Kelly Slater - Outerworn
  • 120.00
  • 145.00
Apex Trunks by Kelly Slater - Outerworn
Outerknown
Apex Trunks by Kelly Slater - Outerworn
  • 70.00
  • 125.00
Mens Boxer
This Is J
Mens Boxer
  • 41.10
Apex Trunks By Kelly Slater - Outerworn
Outerknown
Apex Trunks By Kelly Slater - Outerworn
  • 118.00
  • 145.00
Apex Hybrid Trunks By Kelly Slater - Outerworn
Outerknown
Apex Hybrid Trunks By Kelly Slater - Outerworn
  • 115.00
  • 128.00
M's Trail Tight Lined
Janji
M's Trail Tight Lined
  • 118.00
Apex Trunks by Kelly Slater - Outerworn
Outerknown
Apex Trunks by Kelly Slater - Outerworn
  • 120.00
  • 145.00
Nomadic Stretch Trunks - Outerworn
Outerknown
Nomadic Stretch Trunks - Outerworn
  • 55.00
  • 98.00
APEX Evolution Trunk by Kelly Slater 17" - FINAL SALE
Outerknown
APEX Evolution Trunk by Kelly Slater 17" - FINAL SALE
  • 67.00
  • 168.00
Tasty Scallop Trunks - Outerworn
Outerknown
Tasty Scallop Trunks - Outerworn
  • 74.00
  • 128.00
Mens Boxer
This Is J
Mens Boxer
  • 41.10
All Time Scallop Trunks
Outerknown
All Time Scallop Trunks
  • 98.00
APEX Trunks by Kelly Slater - Outerworn
Outerknown
APEX Trunks by Kelly Slater - Outerworn
  • 80.00
  • 145.00
APEX Evolution Trunk by Kelly Slater
Outerknown
APEX Evolution Trunk by Kelly Slater
  • 168.00
Tasty Scallop Trunks - Outerworn
Outerknown
Tasty Scallop Trunks - Outerworn
  • 60.00
  • 128.00
Boxer Brief
Jungmaven
Boxer Brief
  • 48.00
Spruce Briefs 4-Pack
Duckworth
Spruce Briefs 4-Pack
  • 162.00
  • 180.00
APEX Evolution Trunk by Kelly Slater
Outerknown
APEX Evolution Trunk by Kelly Slater
  • 168.00
Apex Trunks by Kelly Slater - Outerworn
Outerknown
Apex Trunks by Kelly Slater - Outerworn
  • 85.00
  • 145.00
APEX Evolution Trunk by Kelly Slater 17"
Outerknown
APEX Evolution Trunk by Kelly Slater 17"
  • 118.00
  • 168.00
APEX Evolution Trunk by Kelly Slater 17"
Outerknown
APEX Evolution Trunk by Kelly Slater 17"
  • 101.00
  • 168.00

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