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%
HAWAI HAWAI 41962 Cotton Briefs Color Black
$17.00
$17.00
$26.00
Save 32%
HAWAI HAWAI 42240 Microfiber Briefs Color Gray
$15.00
$15.00
$22.00
Save 35%
HAWAI HAWAI 42222 Microfiber Trunks Color Black
$20.00
$20.00
$31.00
Save 32%
HAWAI HAWAI 42180 Microfiber Trunks Color Royal Blue
$15.00
$15.00
$22.00
Save 32%
HAWAI HAWAI 42222 Microfiber Trunks Color Light Blue
$15.00
$15.00
$22.00
Save 32%
HAWAI HAWAI 42232 Microfiber Trunks Color Light Blue
$15.00
$15.00
$22.00
Save 32%
HAWAI HAWAI 42241 Microfiber Briefs Color Light Blue
$19.00
$19.00
$28.00
Clever Clever 0568-1 Elements Briefs Color Black
$35.00
$35.00
$0.00
Save 32%
HAWAI HAWAI 42141 Microfiber Briefs Color Pink
$15.00
$15.00
$22.00
Save 35%
HAWAI HAWAI 41961 Microfiber Briefs Color Light Blue
$15.00
$15.00
$23.00
Save 32%
HAWAI HAWAI 42141 Microfiber Briefs Color Light Blue
$15.00
$15.00
$22.00
Save 32%
Xtremen Xtremen 91107 Protuder Jockstrap Color Maroon
$15.00
$15.00
$22.00
Save 33%
Clever Clever 0899 Lighting Trunks Color Light Pink
$30.00
$30.00
$45.00
Save 35%
Clever Clever 0902 Lighting Jockstrap Color Ochre
$28.00
$28.00
$43.00
Save 32%
Roger Smuth Roger Smuth RS062 Trunks Color Black
$15.00
$15.00
$22.00
Save 32%
Roger Smuth Roger Smuth RS062 Trunks Color White
$15.00
$15.00
$22.00
Save 32%
Roger Smuth Roger Smuth RS060 Trunks Color White
$15.00
$15.00
$22.00
Save 14%
Roger Smuth Roger Smuth RS067 Thongs Color White
$48.00
$48.00
$56.00
Save 15%
Roger Smuth Roger Smuth RS063 Jockstrap Color Black
$45.00
$45.00
$53.00
Save 35%
Roger Smuth Roger Smuth RS060 Trunks Color Black
$37.00
$37.00
$57.00
Save 34%
Roger Smuth Roger Smuth RS064 Trunks Color White
$41.00
$41.00
$62.00
Save 32%
Roger Smuth Roger Smuth RS060 Trunks Color Burgundy
$15.00
$15.00
$22.00
Save 32%
Roger Smuth Roger Smuth RS069 Jockstrap Color White
$15.00
$15.00
$22.00
Save 34%
Roger Smuth Roger Smuth RS069 Jockstrap Color Black
$41.00
$41.00
$62.00
Save 32%
Roger Smuth Roger Smuth RS066 Jockstrap Color Black
$15.00
$15.00
$22.00
Save 17%
Roger Smuth Roger Smuth RS068 Thongs Color White
$29.00
$29.00
$35.00
Save 36%
Unico Unico 22120100206 Profundo M22 Boxer Briefs Color 82-Dark Blue
$29.00
$29.00
$45.00
Save 16%
Unico Unico 22120100212 Lustre M22 Boxer Briefs Color 00-White
$38.00
$38.00
$45.00
Save 16%
Unico Unico 22120100210 Cardenal A22 Boxer Briefs Color 82-Dark Blue
$38.00
$38.00
$45.00
Save 35%
Unico Unico 22120201114 Nebuloso M22 Briefs Color 99-Black
$24.00
$24.00
$37.00