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.

Save 35%
Xtremen Xtremen 91149 Destellante Jockstrap Color Rosewood
Regular Price
$26.00
Sale Price
$26.00
Regular Price
$40.00
Unit Price
per 
Xtremen Xtremen 91149 Destellante Jockstrap Color Rosewood
Regular Price
$44.00
Sale Price
$44.00
Regular Price
Unit Price
per 
Xtremen Xtremen 91151 Destellante Trunks Color Purple
Regular Price
$44.00
Sale Price
$44.00
Regular Price
$0.00
Unit Price
per 
Save 35%
Xtremen Xtremen 91149 Destellante Jockstrap Color Gold
Regular Price
$26.00
Sale Price
$26.00
Regular Price
$40.00
Unit Price
per 
Xtremen Xtremen 91162 Morelo Trunks Color Coral
Regular Price
$38.00
Sale Price
$38.00
Regular Price
$0.00
Unit Price
per 
Xtremen Xtremen 91162 Morelo Trunks Color Black
Regular Price
$38.00
Sale Price
$38.00
Regular Price
$0.00
Unit Price
per 
Save 33%
Clever Clever 1448 Sainted Trunks Color White
Regular Price
$34.00
Sale Price
$34.00
Regular Price
$51.00
Unit Price
per 
Save 35%
Clever Clever 1449 Sainted Bikini Color White
Regular Price
$32.00
Sale Price
$32.00
Regular Price
$49.00
Unit Price
per 
Clever Clever 1471 Heavenly Trunks Color White
Regular Price
$50.00
Sale Price
$50.00
Regular Price
$0.00
Unit Price
per 
Save 35%
Clever Clever 1472 Heavenly Briefs Color White
Regular Price
$26.00
Sale Price
$26.00
Regular Price
$40.00
Unit Price
per 
Save 32%
Clever Clever 1447 Fable Briefs Color Gray
Regular Price
$15.00
Sale Price
$15.00
Regular Price
$22.00
Unit Price
per 
Clever Clever 1456 Grace Trunks Color Gray
Regular Price
$50.00
Sale Price
$50.00
Regular Price
$0.00
Unit Price
per 
Save 35%
Clever Clever 1447 Fable Briefs Color Blue
Regular Price
$28.00
Sale Price
$28.00
Regular Price
$43.00
Unit Price
per 
Save 32%
Clever Clever 1458 Figure Trunks Color Blue
Regular Price
$15.00
Sale Price
$15.00
Regular Price
$22.00
Unit Price
per 
Save 35%
Clever Clever 1459 Figure Bikini Color Blue
Regular Price
$24.00
Sale Price
$24.00
Regular Price
$37.00
Unit Price
per 
Save 35%
Clever Clever 1466 Misty Jockstrap Color Black
Regular Price
$30.00
Sale Price
$30.00
Regular Price
$46.00
Unit Price
per 
Save 32%
Clever Clever 1470 Audacity Jockstrap Color Black
Regular Price
$15.00
Sale Price
$15.00
Regular Price
$22.00
Unit Price
per 
Save 32%
Xtremen Xtremen 91162 Morelo Trunks Color Turquoise
Regular Price
$15.00
Sale Price
$15.00
Regular Price
$22.00
Unit Price
per 
Save 32%
Xtremen Xtremen 91169 Mesh Briefs Color Rosewood
Regular Price
$15.00
Sale Price
$15.00
Regular Price
$22.00
Unit Price
per 
Xtremen Xtremen 91169 Mesh Briefs Color Navy
Regular Price
$38.00
Sale Price
$38.00
Regular Price
$0.00
Unit Price
per 
Save 34%
Xtremen Xtremen 91158 Capriati Trunks Color Dark Gray
Regular Price
$21.00
Sale Price
$21.00
Regular Price
$32.00
Unit Price
per 
Save 34%
Xtremen Xtremen 91158 Capriati Trunks Color Candy
Regular Price
$21.00
Sale Price
$21.00
Regular Price
$32.00
Unit Price
per 
Save 34%
Xtremen Xtremen 91158 Capriati Trunks Color Black
Regular Price
$21.00
Sale Price
$21.00
Regular Price
$32.00
Unit Price
per 
Save 32%
Xtremen Xtremen 91169 Mesh Briefs Color Black
Regular Price
$23.00
Sale Price
$23.00
Regular Price
$34.00
Unit Price
per 
Save 35%
Clever Clever 1508 Tethis Trunks Color Yellow
Regular Price
$26.00
Sale Price
$26.00
Regular Price
$40.00
Unit Price
per 
Save 35%
Clever Clever 1509 Tethis Briefs Color Yellow
Regular Price
$26.00
Sale Price
$26.00
Regular Price
$40.00
Unit Price
per 
Save 32%
Clever Clever 1511 Caspian Trunks Color White
Regular Price
$15.00
Sale Price
$15.00
Regular Price
$22.00
Unit Price
per 
Save 32%
Clever Clever 1512 Caspian Briefs Color White
Regular Price
$15.00
Sale Price
$15.00
Regular Price
$22.00
Unit Price
per 
Save 32%
Clever Clever 1513 Caspian Jockstrap Color White
Regular Price
$15.00
Sale Price
$15.00
Regular Price
$22.00
Unit Price
per 
Save 35%
Clever Clever 1532 Swirl Briefs Color White
Regular Price
$37.00
Sale Price
$37.00
Regular Price
$57.00
Unit Price
per