What you wear underneath is a reflection of how you feel on the outside.

Men's Underwear

What you wear underneath is a reflection of how you feel on the outside.

What you wear underneath is a reflection of how you feel on the outside.

Of course, your mood changes every day, so that's why DownUnder Apparel makes sure we have a huge variety of styles of Men's underwear and Men's sleepwear to fit any mood you're in! Find men's briefs, boxer briefs, boxers, trunks, thongs, jockstraps, and unique sexy underwear from the top brands.

Xtremen Xtremen 70004 Plus
Regular Price
$12.00
Sale Price
$12.00
Regular Price
$0.00
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Xtremen Xtremen 70005 Plus
Regular Price
$15.00
Sale Price
$15.00
Regular Price
$22.00
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Xtremen Xtremen 70005 Plus
Regular Price
$12.00
Sale Price
$12.00
Regular Price
$0.00
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Xtremen Xtremen 70001 Plus
Regular Price
$12.00
Sale Price
$12.00
Regular Price
$0.00
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Xtremen Xtremen 70004 Plus
Regular Price
$12.00
Sale Price
$12.00
Regular Price
$0.00
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per 
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Clever Clever 1132 Sacred Trunks Color White
Regular Price
$15.00
Sale Price
$15.00
Regular Price
$22.00
Unit Price
per 
Save 35%
Clever Clever 1133 Sacred Briefs Color White
Regular Price
$30.00
Sale Price
$30.00
Regular Price
$46.00
Unit Price
per 
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Clever Clever 1140 Glorious Briefs Color White
Regular Price
$24.00
Sale Price
$24.00
Regular Price
$37.00
Unit Price
per 
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Clever Clever 1146 Celestial Briefs Color Red
Regular Price
$15.00
Sale Price
$15.00
Regular Price
$22.00
Unit Price
per 
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Clever Clever 1127 Vital Briefs Color Green
Regular Price
$28.00
Sale Price
$28.00
Regular Price
$43.00
Unit Price
per 
SOLD OUT
Clever Clever 1129 Inner Trunks Color Green
Regular Price
$12.00
Sale Price
$12.00
Regular Price
$0.00
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per 
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Clever Clever 1134 Arcane Trunks Color Gray
Regular Price
$15.00
Sale Price
$15.00
Regular Price
$22.00
Unit Price
per 
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Clever Clever 1136 Magical Trunks Color Dark Blue
Regular Price
$26.00
Sale Price
$26.00
Regular Price
$40.00
Unit Price
per 
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Clever Clever 1124 Natura Briefs Color Beige
Regular Price
$15.00
Sale Price
$15.00
Regular Price
$22.00
Unit Price
per 
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Unico Unico 23010100104 Erizo Trunks Color 90-Printed
Regular Price
$28.00
Sale Price
$28.00
Regular Price
$43.00
Unit Price
per 
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Unico Unico 23010100106 Naufragio Trunks Color 90-Printed
Regular Price
$28.00
Sale Price
$28.00
Regular Price
$43.00
Unit Price
per 
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Unico Unico 23010201104 Erizo Briefs Color 90-Printed
Regular Price
$15.00
Sale Price
$15.00
Regular Price
$22.00
Unit Price
per 
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Unico Unico 23020100110 Riguroso Trunks Color 29-Printed
Regular Price
$28.00
Sale Price
$28.00
Regular Price
$43.00
Unit Price
per 
SOLD OUT
Clever Clever 2199 Limited Edition Boxer Briefs Color White-45
Regular Price
$12.00
Sale Price
$12.00
Regular Price
$0.00
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per 
Clever Clever 2199 Limited Edition Boxer Briefs Color Coral-48
Regular Price
$12.00
Sale Price
$12.00
Regular Price
$0.00
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per 
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JOR JOR 1722 Romeo Jockstrap Color White
Regular Price
$15.00
Sale Price
$15.00
Regular Price
$22.00
Unit Price
per 
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JOR JOR 1726 Orion Bikini Color White
Regular Price
$15.00
Sale Price
$15.00
Regular Price
$22.00
Unit Price
per 
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JOR JOR 1727 Orion Jockstrap Color White
Regular Price
$15.00
Sale Price
$15.00
Regular Price
$22.00
Unit Price
per 
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JOR JOR 1750 Rocco Bikini Color Turquoise
Regular Price
$15.00
Sale Price
$15.00
Regular Price
$22.00
Unit Price
per 
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JOR JOR 1740 Riders Trunks Color Royal
Regular Price
$15.00
Sale Price
$15.00
Regular Price
$22.00
Unit Price
per 
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JOR JOR 1741 Riders Briefs Color Royal
Regular Price
$30.00
Sale Price
$30.00
Regular Price
$46.00
Unit Price
per 
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JOR JOR 1742 Riders Jockstrap Color Royal
Regular Price
$15.00
Sale Price
$15.00
Regular Price
$22.00
Unit Price
per 
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JOR JOR 1719 Match Jockstrap Color Red
Regular Price
$15.00
Sale Price
$15.00
Regular Price
$22.00
Unit Price
per 
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JOR JOR 1731 Dante Jockstrap Color Purple
Regular Price
$15.00
Sale Price
$15.00
Regular Price
$22.00
Unit Price
per 
Save 35%
JOR JOR 1753 Party Briefs Color Printed
Regular Price
$30.00
Sale Price
$30.00
Regular Price
$46.00
Unit Price
per