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.

JOR JOR 1374 Otto Trunks Color Black
Regular Price
$13.00
Sale Price
$13.00
Regular Price
$0.00
Unit Price
per 
Save 33%
JOR JOR 1391 Night Jockstrap Color Printed
Regular Price
$16.00
Sale Price
$16.00
Regular Price
$24.00
Unit Price
per 
SOLD OUT
JOR JOR 1367 Texas Jockstrap Color Black
Regular Price
$8.00
Sale Price
$8.00
Regular Price
$0.00
Unit Price
per 
JOR JOR 1409 Cairo Trunks Color Printed
Regular Price
$13.00
Sale Price
$13.00
Regular Price
$0.00
Unit Price
per 
Save 33%
Pikante Pikante PIK 0510 Neon Briefs Color Green
Regular Price
$16.00
Sale Price
$16.00
Regular Price
$24.00
Unit Price
per 
Save 33%
Pikante Pikante PIK 0499 Seductive Briefs Color Red
Regular Price
$16.00
Sale Price
$16.00
Regular Price
$24.00
Unit Price
per 
Save 34%
Pikante Pikante PIK 0495 Hot Harness Briefs Color Black
Regular Price
$29.00
Sale Price
$29.00
Regular Price
$44.00
Unit Price
per 
Save 33%
Pikante Pikante PIK 0495 Hot Harness Briefs Color Red
Regular Price
$16.00
Sale Price
$16.00
Regular Price
$24.00
Unit Price
per 
Save 34%
PPU PPU 2104 Open Back Trunks Color White
Regular Price
$35.00
Sale Price
$35.00
Regular Price
$53.00
Unit Price
per 
Save 33%
PPU PPU 2104 Open Back Trunks Color Red
Regular Price
$16.00
Sale Price
$16.00
Regular Price
$24.00
Unit Price
per 
Unico Unico 21070100103 Felt Trunks Color 63-White
Regular Price
$13.00
Sale Price
$13.00
Regular Price
$0.00
Unit Price
per 
Save 33%
Unico Unico 21070301203 Felt Jockstrap Color 63-White
Regular Price
$16.00
Sale Price
$16.00
Regular Price
$24.00
Unit Price
per 
Doreanse Doreanse 1703-PRN Pop Art Trunks Color Printed
Regular Price
$13.00
Sale Price
$13.00
Regular Price
$0.00
Unit Price
per 
Doreanse Doreanse 1704-PRN Neon Sport Trunks Color Printed
Regular Price
$13.00
Sale Price
$13.00
Regular Price
$0.00
Unit Price
per 
Doreanse Doreanse 1257-PRN Space Venom Briefs Color Printed
Regular Price
$30.00
Sale Price
$30.00
Regular Price
$0.00
Unit Price
per 
SOLD OUT
Doreanse Doreanse 1801-PRN Jaguar Trunks Color Printed
Regular Price
$13.00
Sale Price
$13.00
Regular Price
$0.00
Unit Price
per 
Save 35%
Clever Clever 0671-1 Bonite Briefs Color Orange
Regular Price
$31.00
Sale Price
$31.00
Regular Price
$48.00
Unit Price
per 
Save 33%
Clever Clever 0536-1 Kroma Jockstrap Color Black
Regular Price
$16.00
Sale Price
$16.00
Regular Price
$24.00
Unit Price
per 
Unico Unico 21110100103 Paper Ship Trunks Color 63-Navy
Regular Price
$13.00
Sale Price
$13.00
Regular Price
$0.00
Unit Price
per 
Unico Unico 21100100103 Marine Trutles Trunks Color 63-Blue
Regular Price
$13.00
Sale Price
$13.00
Regular Price
$0.00
Unit Price
per 
Save 32%
HAWAI HAWAI 42192 Printed Microfiber Hip Briefs Color Military Green
Regular Price
$23.00
Sale Price
$23.00
Regular Price
$34.00
Unit Price
per 
Save 34%
HAWAI HAWAI 42173 Printed Microfiber Trunks Color Royal Blue
Regular Price
$25.00
Sale Price
$25.00
Regular Price
$38.00
Unit Price
per 
Save 33%
HAWAI HAWAI 42172 Printed Microfiber Trunks Color Military Green
Regular Price
$16.00
Sale Price
$16.00
Regular Price
$24.00
Unit Price
per 
Save 33%
HAWAI HAWAI 42183 Printed Microfiber Briefs Color Taupe
Regular Price
$16.00
Sale Price
$16.00
Regular Price
$24.00
Unit Price
per 
HAWAI HAWAI 42167 Printed Microfiber Jockstrap Color Dark Blue
Regular Price
$8.00
Sale Price
$8.00
Regular Price
$0.00
Unit Price
per 
HAWAI HAWAI 42167 Printed Microfiber Jockstrap Color Military Green
Regular Price
$8.00
Sale Price
$8.00
Regular Price
$0.00
Unit Price
per 
Save 33%
HAWAI HAWAI 42168 Printed Microfiber Jockstrap Color Royal Blue
Regular Price
$16.00
Sale Price
$16.00
Regular Price
$24.00
Unit Price
per 
Save 33%
HAWAI HAWAI 42166 Solid Microfiber Jockstrap Color Amber
Regular Price
$16.00
Sale Price
$16.00
Regular Price
$24.00
Unit Price
per 
Save 33%
HAWAI HAWAI 42183 Printed Microfiber Briefs Color Royal Blue
Regular Price
$16.00
Sale Price
$16.00
Regular Price
$24.00
Unit Price
per 
Save 33%
HAWAI HAWAI 42191 Solid Microfiber Hip Briefs Color Amber
Regular Price
$16.00
Sale Price
$16.00
Regular Price
$24.00
Unit Price
per