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.

SALE
Clever Clever 5317 Sweetness Piping Briefs Color Black
Regular Price
$17.50
Sale Price
$17.50
Regular Price
$26.93
Unit Price
per 
SALE
Clever Clever 5317 Sweetness Piping Briefs Color White
Regular Price
$17.50
Sale Price
$17.50
Regular Price
$26.93
Unit Price
per 
SALE
Clever Clever 5334 Slang Piping Briefs Color White
Regular Price
$16.79
Sale Price
$16.79
Regular Price
$25.83
Unit Price
per 
SALE
Clever Clever 5340 Matches Piping Briefs Color White
Regular Price
$20.36
Sale Price
$20.36
Regular Price
$31.33
Unit Price
per 
SALE
Clever Clever 5337 Sparkies Piping Briefs Color Gray
Regular Price
$20.36
Sale Price
$20.36
Regular Price
$31.33
Unit Price
per 
SALE
Clever Clever 2337 Sparkies Boxer Briefs Color Gray
Regular Price
$21.08
Sale Price
$21.08
Regular Price
$32.43
Unit Price
per 
SALE
Clever Clever 5334 Slang Piping Briefs Color Black
Regular Price
$16.79
Sale Price
$16.79
Regular Price
$25.83
Unit Price
per 
SALE
Clever Clever 5335 Divo Briefs Color Black
Regular Price
$18.22
Sale Price
$18.22
Regular Price
$28.03
Unit Price
per 
SALE
Clever Clever 5339 Artic Piping Briefs Color Black
Regular Price
$20.36
Sale Price
$20.36
Regular Price
$31.33
Unit Price
per 
SALE
Clever Clever 2340 Matches Boxer Briefs Color White
Regular Price
$21.08
Sale Price
$21.08
Regular Price
$32.43
Unit Price
per 
SALE
Clever Clever 5341 Peace and Love Piping Briefs Color Blue
Regular Price
$20.36
Sale Price
$20.36
Regular Price
$31.33
Unit Price
per 
SALE
Clever Clever 5353 Radical Piping Briefs Color White
Regular Price
$17.50
Sale Price
$17.50
Regular Price
$26.93
Unit Price
per 
SALE
Clever Clever 5350 Conservative Latin Briefs Color Brown
Regular Price
$18.93
Sale Price
$18.93
Regular Price
$29.13
Unit Price
per 
SALE
Clever Clever 0666 Flowers Long Swim Trunks Color Green
Regular Price
$56.11
Sale Price
$56.11
Regular Price
$86.33
Unit Price
per 
SALE
Clever Clever 5350 Conservative Latin Briefs Color Coral
Regular Price
$18.93
Sale Price
$18.93
Regular Price
$29.13
Unit Price
per 
SOLD OUT
Clever Clever 2355 Figaro Boxer Briefs Color White
Regular Price
$23.22
Sale Price
$23.22
Regular Price
$35.73
Unit Price
per 
SALE
Clever Clever 5349 Modern Piping Briefs Color Green
Regular Price
$20.36
Sale Price
$20.36
Regular Price
$31.33
Unit Price
per 
SALE
Clever Clever 2354 Galileo Boxer Briefs Color Blue
Regular Price
$19.65
Sale Price
$19.65
Regular Price
$30.23
Unit Price
per 
SALE
Clever Clever 5355 Figaro Classic Briefs Color Blue
Regular Price
$22.51
Sale Price
$22.51
Regular Price
$34.63
Unit Price
per 
SALE
Clever Clever 2354 Galileo Boxer Briefs Color Red
Regular Price
$19.65
Sale Price
$19.65
Regular Price
$30.23
Unit Price
per 
SALE
Clever Clever 5346 Mask Piping Briefs Color Green
Regular Price
$23.94
Sale Price
$23.94
Regular Price
$36.83
Unit Price
per 
SALE
Clever Clever 5344 Ivy Briefs Color Green
Regular Price
$23.94
Sale Price
$23.94
Regular Price
$36.83
Unit Price
per 
SALE
Clever Clever 2344 Ivy Boxer Briefs Color Green
Regular Price
$24.65
Sale Price
$24.65
Regular Price
$37.93
Unit Price
per 
SALE
Clever Clever 0674 Orchid Atleta Swim Trunks Color Black
Regular Price
$63.26
Sale Price
$63.26
Regular Price
$97.33
Unit Price
per 
SALE
Clever Clever 2365 Danish Boxer Briefs Color Red
Regular Price
$22.51
Sale Price
$22.51
Regular Price
$34.63
Unit Price
per 
SALE
Clever Clever 2375 Fransua Boxer Briefs Color Black
Regular Price
$22.51
Sale Price
$22.51
Regular Price
$34.63
Unit Price
per 
SALE
Clever Clever 5374 Asian Piping Briefs Color White
Regular Price
$18.22
Sale Price
$18.22
Regular Price
$28.03
Unit Price
per 
SALE
Clever Clever 5375 Fransua Piping Briefs Color Black
Regular Price
$21.79
Sale Price
$21.79
Regular Price
$33.53
Unit Price
per 
SALE
Clever Clever 2366 Czech Piping Boxer Briefs Color Grape
Regular Price
$24.65
Sale Price
$24.65
Regular Price
$37.93
Unit Price
per 
SALE
Clever Clever 2375 Fransua Boxer Briefs Color White
Regular Price
$22.51
Sale Price
$22.51
Regular Price
$34.63
Unit Price
per