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 91155 Solid Briefs Color Candy
$34.00
$34.00
$0.00
Xtremen Xtremen 91165 Foil Jockstrap Color Black
$40.00
$40.00
$0.00
Xtremen Xtremen 91151 Destellante Trunks Color Teal
$43.00
$43.00
$0.00
Xtremen Xtremen 91149 Destellante Jockstrap Color Silver
$43.00
$43.00
$0.00
Xtremen Xtremen 91149 Destellante Jockstrap Color Rosewood
$43.00
$43.00
$0.00
Xtremen Xtremen 91149 Destellante Jockstrap Color Rosewood
$43.00
$43.00
Xtremen Xtremen 91151 Destellante Trunks Color Purple
$43.00
$43.00
$0.00
Xtremen Xtremen 91151 Destellante Trunks Color Green
$43.00
$43.00
$0.00
Xtremen Xtremen 91149 Destellante Jockstrap Color Gold
$43.00
$43.00
$0.00
Xtremen Xtremen 91162 Morelo Trunks Color Coral
$37.00
$37.00
$0.00
Xtremen Xtremen 91162 Morelo Trunks Color Black
$37.00
$37.00
$0.00
Xtremen Xtremen 91162 Morelo Trunks Color Turquoise
$37.00
$37.00
$0.00
Xtremen Xtremen 91157 Capriati Trunks Color Silver
$34.00
$34.00
$0.00
Xtremen Xtremen 91169 Mesh Briefs Color Rosewood
$37.00
$37.00
$0.00
Xtremen Xtremen 91169 Mesh Briefs Color Navy
$37.00
$37.00
$0.00
Xtremen Xtremen 91157 Capriati Trunks Color Light Blue
$34.00
$34.00
$0.00
Xtremen Xtremen 91158 Capriati Trunks Color Dark Gray
$34.00
$34.00
$0.00
Xtremen Xtremen 91158 Capriati Trunks Color Candy
$34.00
$34.00
$0.00
Xtremen Xtremen 91158 Capriati Trunks Color Black
$34.00
$34.00
$0.00
Xtremen Xtremen 91169 Mesh Briefs Color Black
$37.00
$37.00
$0.00
Xtremen Xtremen 91179 Microfiber Bikini Color Silver
$37.00
$37.00
Xtremen Xtremen 91170 Printed Trunks Color Leaves
$34.00
$34.00
Xtremen Xtremen 91172 Printed Bikini Color Leaves
$34.00
$34.00
Xtremen Xtremen 91173 Printed Trunks Color Leaves
$37.00
$37.00
Xtremen Xtremen 91175 Microfiber Trunks Color Green
$34.00
$34.00
Xtremen Xtremen 91177 Microfiber Bikini Color Green
$34.00
$34.00
Xtremen Xtremen 91179 Microfiber Bikini Color Gold
$37.00
$37.00
Xtremen Xtremen 91170 Printed Trunks Color Fire
$34.00
$34.00
Xtremen Xtremen 91172 Printed Bikini Color Fire
$34.00
$34.00
Xtremen Xtremen 91173 Printed Trunks Color Fire
$37.00
$37.00