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%
Clever Clever 1605 Spirit Briefs Color Green
Regular Price
$26.00
Sale Price
$26.00
Regular Price
$40.00
Unit Price
per 
Save 35%
Clever Clever 1638 Dynamic Briefs Color Green
Regular Price
$28.00
Sale Price
$28.00
Regular Price
$43.00
Unit Price
per 
Save 14%
Clever Clever 1605 Spirit Briefs Color Gray
Regular Price
$38.00
Sale Price
$38.00
Regular Price
$44.00
Unit Price
per 
Save 35%
Clever Clever 1605 Spirit Briefs Color Brown
Regular Price
$26.00
Sale Price
$26.00
Regular Price
$40.00
Unit Price
per 
Save 15%
Clever Clever 1615 Urbano Briefs Color Blue
Regular Price
$35.00
Sale Price
$35.00
Regular Price
$41.00
Unit Price
per 
Save 35%
Clever Clever 1641 Emphatic Briefs Color Blue
Regular Price
$28.00
Sale Price
$28.00
Regular Price
$43.00
Unit Price
per 
Save 14%
Clever Clever 1605 Spirit Briefs Color Black
Regular Price
$38.00
Sale Price
$38.00
Regular Price
$44.00
Unit Price
per 
Save 14%
Clever Clever 1612 Chakra Briefs Color Black
Regular Price
$43.00
Sale Price
$43.00
Regular Price
$50.00
Unit Price
per 
Save 15%
Clever Clever 1626 Yin Yang Briefs Color Black
Regular Price
$40.00
Sale Price
$40.00
Regular Price
$47.00
Unit Price
per 
Save 15%
Clever Clever 1643 Absolute Briefs Color Black
Regular Price
$40.00
Sale Price
$40.00
Regular Price
$47.00
Unit Price
per 
Save 16%
Xtremen Xtremen 91196 Jacquard Trunks Color White
Regular Price
$32.00
Sale Price
$32.00
Regular Price
$38.00
Unit Price
per 
Save 14%
Xtremen Xtremen 91197 Jacquard Bikini Color White
Regular Price
$30.00
Sale Price
$30.00
Regular Price
$35.00
Unit Price
per 
Save 14%
Xtremen Xtremen 91192 Jacquard Bikini Color Royal Blue
Regular Price
$30.00
Sale Price
$30.00
Regular Price
$35.00
Unit Price
per 
Save 14%
Xtremen Xtremen 91192 Jacquard Bikini Color Red
Regular Price
$30.00
Sale Price
$30.00
Regular Price
$35.00
Unit Price
per 
Save 16%
Xtremen Xtremen 91193 Printed Trunks Color Pumpkins
Regular Price
$32.00
Sale Price
$32.00
Regular Price
$38.00
Unit Price
per 
Save 16%
Xtremen Xtremen 91195 Printed Bikini Color Pumpkins
Regular Price
$32.00
Sale Price
$32.00
Regular Price
$38.00
Unit Price
per 
Save 34%
Xtremen Xtremen 91192 Jacquard Bikini Color Gray
Regular Price
$21.00
Sale Price
$21.00
Regular Price
$32.00
Unit Price
per 
Save 16%
Xtremen Xtremen 91196 Jacquard Trunks Color Gray
Regular Price
$32.00
Sale Price
$32.00
Regular Price
$38.00
Unit Price
per 
Save 34%
Xtremen Xtremen 91197 Jacquard Bikini Color Gray
Regular Price
$21.00
Sale Price
$21.00
Regular Price
$32.00
Unit Price
per 
Save 16%
Xtremen Xtremen 91196 Jacquard Trunks Color Dark Blue
Regular Price
$32.00
Sale Price
$32.00
Regular Price
$38.00
Unit Price
per 
Save 34%
Xtremen Xtremen 91197 Jacquard Bikini Color Dark Blue
Regular Price
$21.00
Sale Price
$21.00
Regular Price
$32.00
Unit Price
per 
Save 16%
Xtremen Xtremen 91196 Jacquard Trunks Color Black
Regular Price
$32.00
Sale Price
$32.00
Regular Price
$38.00
Unit Price
per 
Save 34%
Xtremen Xtremen 91197 Jacquard Bikini Color Black
Regular Price
$21.00
Sale Price
$21.00
Regular Price
$32.00
Unit Price
per 
Save 32%
Roger Smuth Roger Smuth RS014 Jockstrap Color Black
Regular Price
$15.00
Sale Price
$15.00
Regular Price
$22.00
Unit Price
per 
Save 35%
Roger Smuth Roger Smuth RS018 Jockstrap Color Burgundy
Regular Price
$30.00
Sale Price
$30.00
Regular Price
$46.00
Unit Price
per 
Save 32%
Roger Smuth Roger Smuth RS018 Jockstrap Color Blue
Regular Price
$15.00
Sale Price
$15.00
Regular Price
$22.00
Unit Price
per 
Save 32%
Roger Smuth Roger Smuth RS030 Briefs Color Gray
Regular Price
$15.00
Sale Price
$15.00
Regular Price
$22.00
Unit Price
per 
Save 32%
Roger Smuth Roger Smuth RS014 Jockstrap Color White
Regular Price
$15.00
Sale Price
$15.00
Regular Price
$22.00
Unit Price
per 
Save 32%
Roger Smuth Roger Smuth RS030 Briefs Color Black
Regular Price
$15.00
Sale Price
$15.00
Regular Price
$22.00
Unit Price
per 
Save 32%
Roger Smuth Roger Smuth RS013 Jockstrap Color Burgundy
Regular Price
$15.00
Sale Price
$15.00
Regular Price
$22.00
Unit Price
per