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 33%
Pikante Pikante PIK 1100 Clandestine Velvet Jockstrap Color Pink
$16.00
$16.00
$24.00
Save 16%
Pikante Pikante PIK 1086 Hard Harness Jockstrap Color Black
$70.00
$70.00
$83.00
Save 15%
Pikante Pikante PIK 1087 Hard Bikini Color Black
$50.00
$50.00
$59.00
Save 34%
Pikante Pikante PIK 1091 Burly Mesh Briefs Color Black
$29.00
$29.00
$44.00
Save 15%
Pikante Pikante PIK 1093 Oomph Mesh Briefs Color Black
$47.00
$47.00
$55.00
Save 33%
Pikante Pikante PIK 1095 Oomph Mesh Jockstrap Color Black
$16.00
$16.00
$24.00
Save 33%
Pikante Pikante PIK 1097 Clandestine Velvet Briefs Color Black
$16.00
$16.00
$24.00
Save 33%
Pikante Pikante PIK 1100 Clandestine Velvet Jockstrap Color Black
$16.00
$16.00
$24.00
Save 32%
Xtremen Xtremen 91142 Ultra-soft Briefs Color Rosewood
$21.00
$21.00
$31.00
Save 32%
Xtremen Xtremen 91142 Ultra-soft Briefs Color Gray Cross
$21.00
$21.00
$31.00
Save 14%
Xtremen Xtremen 91142 Ultra-soft Briefs Color Dark Gray
$30.00
$30.00
$35.00
Save 32%
Xtremen Xtremen 91142 Ultra-soft Briefs Color Black
$21.00
$21.00
$31.00
Save 33%
Xtremen Xtremen 91145 Printed Microfiber Bikini Color Smiley Face
$16.00
$16.00
$24.00
Save 32%
Xtremen Xtremen 91147 Printed Microfiber Trunks Color Smiley Face
$21.00
$21.00
$31.00
Save 32%
Xtremen Xtremen 91148 Printed Microfiber Jockstrap Color Smiley Face
$21.00
$21.00
$31.00
Save 33%
Xtremen Xtremen 91147 Printed Microfiber Trunks Color Rainbow Prism
$16.00
$16.00
$24.00
Save 33%
Xtremen Xtremen 91148 Printed Microfiber Jockstrap Color Rainbow Prism
$16.00
$16.00
$24.00
Save 13%
Xtremen Xtremen 91145 Printed Microfiber Bikini Color Rainbow Fish
$27.00
$27.00
$31.00
Save 32%
Xtremen Xtremen 91148 Printed Microfiber Jockstrap Color Rainbow Fish
$21.00
$21.00
$31.00
Save 14%
Xtremen Xtremen 91147 Printed Microfiber Trunks Color Mandala
$30.00
$30.00
$35.00
Save 32%
Xtremen Xtremen 91148 Printed Microfiber Jockstrap Color Mandala
$21.00
$21.00
$31.00
Save 32%
Xtremen Xtremen 91147 Printed Microfiber Trunks Color Disco Zebra
$21.00
$21.00
$31.00
Save 32%
Xtremen Xtremen 91148 Printed Microfiber Jockstrap Color Disco Zebra
$21.00
$21.00
$31.00
Save 35%
Unico Unico 23050100117 Bucle Trunks Color 90-Printed
$32.00
$32.00
$49.00
Save 14%
Unico Unico 23050100101 Efige Trunks Color 63-Turquoise
$42.00
$42.00
$49.00
Save 14%
Unico Unico 23050100116 Espectaculo Trunks Color 63-Turquoise
$42.00
$42.00
$49.00
Save 14%
Unico Unico 23050100104 Escaque Trunks Color 63-Green
$42.00
$42.00
$49.00
Save 34%
Clever Clever 1237 Cult Briefs Color White
$29.00
$29.00
$44.00
Save 33%
Clever Clever 1204 Angel Trunks Color Violet
$16.00
$16.00
$24.00
Save 15%
Clever Clever 1205 Angel Briefs Color Violet
$41.00
$41.00
$48.00