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 36%
HAWAI HAWAI 42141 Microfiber Briefs Color Light Blue
$14.00
$14.00
$22.00
Xtremen Xtremen 91107 Protuder Jockstrap Color Maroon
$52.00
$52.00
$0.00
Clever Clever 0899 Lighting Trunks Color Light Pink
$49.00
$49.00
$0.00
Save 34%
Clever Clever 0902 Lighting Jockstrap Color Ochre
$27.00
$27.00
$41.00
Save 34%
Clever Clever 0902 Lighting Jockstrap Color Gray
$27.00
$27.00
$41.00
Clever Clever 0900 Lighting Briefs Color Gray
$49.00
$49.00
$0.00
Save 34%
Roger Smuth Roger Smuth RS062 Trunks Color Black
$38.00
$38.00
$58.00
Save 36%
Roger Smuth Roger Smuth RS062 Trunks Color White
$14.00
$14.00
$22.00
Save 36%
Roger Smuth Roger Smuth RS060 Trunks Color White
$14.00
$14.00
$22.00
Roger Smuth Roger Smuth RS067 Thongs Color White
$55.00
$55.00
$0.00
Roger Smuth Roger Smuth RS063 Jockstrap Color Black
$52.00
$52.00
$0.00
Roger Smuth Roger Smuth RS060 Trunks Color Black
$61.00
$61.00
$0.00
Save 34%
Roger Smuth Roger Smuth RS064 Trunks Color White
$40.00
$40.00
$61.00
Save 36%
Roger Smuth Roger Smuth RS060 Trunks Color Burgundy
$14.00
$14.00
$22.00
Save 34%
Roger Smuth Roger Smuth RS069 Jockstrap Color White
$40.00
$40.00
$61.00
Save 34%
Roger Smuth Roger Smuth RS069 Jockstrap Color Black
$40.00
$40.00
$61.00
Save 34%
Roger Smuth Roger Smuth RS066 Jockstrap Color Black
$38.00
$38.00
$58.00
Roger Smuth Roger Smuth RS068 Thongs Color Red
$34.00
$34.00
$0.00
Roger Smuth Roger Smuth RS068 Thongs Color White
$34.00
$34.00
$0.00
Unico Unico 22120100206 Profundo M22 Boxer Briefs Color 82-Dark Blue
$44.00
$44.00
$0.00
Unico Unico 22120100212 Lustre M22 Boxer Briefs Color 00-White
$44.00
$44.00
$0.00
Unico Unico 22120100210 Cardenal A22 Boxer Briefs Color 82-Dark Blue
$44.00
$44.00
$0.00
Save 33%
Unico Unico 22120201114 Nebuloso M22 Briefs Color 99-Black
$24.00
$24.00
$36.00
Unico Unico 22120100113 Cardenal M22 Trunks Color 82-Dark Blue
$41.00
$41.00
$0.00
Unico Unico 22120100205 Cristalino M22 Boxer Briefs Color 00-White
$44.00
$44.00
$0.00
Unico Unico 22120201101 Cristalino A22 Briefs Color 00-White
$38.00
$38.00
$0.00
Unico Unico 22120100213 Cardenal M22 Boxer Briefs Color 82-Dark Blue
$44.00
$44.00
$0.00
Unico Unico 22120100211 Nebuloso A22 Boxer Briefs Color 99-Black
$44.00
$44.00
$0.00
Unico Unico 22120100202 Profundo A22 Boxer Briefs Color 82-Dark Blue
$44.00
$44.00
$0.00
Unico Unico 22120100204 Asfalto A22 Boxer Briefs Color 96-Dark Gray
$44.00
$44.00
$0.00