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.
Xtremen Xtremen 51449C Geometric Jacquard Trunk Color Petrol
$12.00
$12.00
$0.00
Xtremen Xtremen 51451C Geometric Jacquard Trunk Color Blue
$12.00
$12.00
$0.00
Xtremen Xtremen 91059 Peekaboo Mesh Briefs Color White
$9.00
$9.00
$0.00
Xtremen Xtremen 51436C Geometric Jacquard Trunk Color White
$12.00
$12.00
$0.00
Save 35%
PPU PPU 2004 Jockstrap Color White
$15.00
$15.00
$23.00
Unico Unico 19160100212 COLORS Corriente Boxer Briefs Color 99-Black
$12.00
$12.00
$0.00
Unico Unico 19160100215 COLORS Dinamico Boxer Briefs Color 99-Black
$12.00
$12.00
$0.00
Unico Unico 19160100213 COLORS Poderoso Boxer Briefs Color 99-Black
$12.00
$12.00
$0.00
Save 33%
Roger Smuth Roger Smuth RS005 Jockstrap Color White
$26.00
$26.00
$39.00
Roger Smuth Roger Smuth RS010 Boxer Briefs Color Black
$12.00
$12.00
$0.00
Roger Smuth Roger Smuth RS019 Boxer Briefs Color Black
$12.00
$12.00
$0.00
Roger Smuth Roger Smuth RS023 Briefs Color Black
$9.00
$9.00
$0.00
Roger Smuth Roger Smuth RS019 Boxer Briefs Color White
$12.00
$12.00
$0.00
Roger Smuth Roger Smuth RS010 Boxer Briefs Color White
$12.00
$12.00
$0.00
Roger Smuth Roger Smuth RS023 Briefs Color White
$9.00
$9.00
$0.00
HAWAI HAWAI 42026 Briefs Color Terracotta
$9.00
$9.00
$0.00
HAWAI HAWAI 42024 Briefs Color Terracotta
$9.00
$9.00
$0.00
HAWAI HAWAI 42023 Briefs Color Terracotta
$9.00
$9.00
$0.00
Papi Papi 626725-904 NY Destination Boxer Briefs Color Multi-colored
$12.00
$12.00
$0.00
Magic Silk Magic Silk 6606 Silk Briefs Color Black
$48.00
$48.00
$0.00
Save 35%
Magic Silk Magic Silk 6606 Silk Briefs Color Cobalt
$31.00
$31.00
$48.00
Xtremen Xtremen 51471 Microfiber Boxer Briefs Color Black
$12.00
$12.00
$0.00
Xtremen Xtremen 51461 Cotton Boxer Briefs Color White
$12.00
$12.00
$0.00
SOLD OUT
Xtremen Xtremen 51461 Cotton Boxer Briefs Color Black
$12.00
$12.00
$0.00
Xtremen Xtremen 91057X Big Pouch Bikini Color Pink
$9.00
$9.00
$0.00
Save 35%
Unico Unico 19160301212 COLORS Corriente Jockstrap Color 99-Black
$15.00
$15.00
$23.00
Save 35%
CandyMan CandyMan 99494X G-String Jockstrap Color Black
$15.00
$15.00
$23.00
SOLD OUT
JOR JOR 1136 Detroit Briefs Color Printed
$9.00
$9.00
$0.00
JOR JOR 1096 Rangers Trunks Color White
$12.00
$12.00
$0.00
Male Power Male Power 145-263 Impressions Short Color Coral
$12.00
$12.00
$0.00