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 15%
CandyMan CandyMan 99312 Jockstrap Color Burgundy
Regular Price
$17.28
Sale Price
$17.28
Regular Price
$20.33
Unit Price
per 
Save 35%
Clever Clever 5317 Sweetness Piping Briefs Color White
Regular Price
$9.95
Sale Price
$9.95
Regular Price
$15.30
Unit Price
per 
Save 15%
Clever Clever 5373 Australian Latin Briefs Color White
Regular Price
$22.35
Sale Price
$22.35
Regular Price
$26.29
Unit Price
per 
Clever Clever 2394 Attractive Boxer Briefs Color Brown
Regular Price
$8.00
Sale Price
$8.00
Regular Price
$0.00
Unit Price
per 
SOLD OUT
Clever Clever 5402 Senses Briefs Color White
Regular Price
$9.95
Sale Price
$9.95
Regular Price
$15.30
Unit Price
per 
Doreanse Doreanse 1779-BLK Pouch Mini Trunk Color Black
Regular Price
$21.40
Sale Price
$21.40
Regular Price
$0.00
Unit Price
per 
Doreanse Doreanse 1217-PRN Groovy Bikini Color Printed
Regular Price
$16.10
Sale Price
$16.10
Regular Price
$0.00
Unit Price
per 
Doreanse Doreanse 1779-TRQ Pouch Mini Trunk Color Turquoise
Regular Price
$21.40
Sale Price
$21.40
Regular Price
$0.00
Unit Price
per 
Doreanse Doreanse 1760-YLW Low-rise Trunk Color Yellow
Regular Price
$21.62
Sale Price
$21.62
Regular Price
$0.00
Unit Price
per 
Doreanse Doreanse 1781-TRQ Naked Mini Trunk Color Turquoise
Regular Price
$18.40
Sale Price
$18.40
Regular Price
$0.00
Unit Price
per 
Doreanse Doreanse 1281-TAN Hang-loose Bikini Brief Color Tan
Regular Price
$15.18
Sale Price
$15.18
Regular Price
$0.00
Unit Price
per 
Doreanse Doreanse 1377-BLK Boost Cheeky Brief Color Black
Regular Price
$20.24
Sale Price
$20.24
Regular Price
$0.00
Unit Price
per 
Doreanse Doreanse 1377-FUC Boost Cheeky Brief Color Fuchsia
Regular Price
$20.24
Sale Price
$20.24
Regular Price
$0.00
Unit Price
per 
Doreanse Doreanse 1779-YLW Pouch Mini Trunk Color Yellow
Regular Price
$21.40
Sale Price
$21.40
Regular Price
$0.00
Unit Price
per 
ErgoWear ErgoWear EW0623 FEEL XV Boxer Briefs Color Blue
Regular Price
$8.00
Sale Price
$8.00
Regular Price
$0.00
Unit Price
per 
SOLD OUT
ErgoWear ErgoWear EW0622 FEEL XV Boxer Briefs Color White
Regular Price
$8.00
Sale Price
$8.00
Regular Price
$0.00
Unit Price
per 
SOLD OUT
ErgoWear ErgoWear EW0632 FEEL XV Briefs Color White
Regular Price
$7.00
Sale Price
$7.00
Regular Price
$0.00
Unit Price
per 
HAWAI HAWAI 41921 Boxer Briefs Color Green
Regular Price
$8.00
Sale Price
$8.00
Regular Price
$0.00
Unit Price
per 
HAWAI HAWAI 41948 Boxer Briefs Color Blue Quartz
Regular Price
$8.00
Sale Price
$8.00
Regular Price
$0.00
Unit Price
per 
HAWAI HAWAI 41948 Boxer Briefs Color Military Green
Regular Price
$8.00
Sale Price
$8.00
Regular Price
$0.00
Unit Price
per 
Save 35%
HAWAI HAWAI 41948 Boxer Briefs Color White
Regular Price
$9.95
Sale Price
$9.95
Regular Price
$15.30
Unit Price
per 
HAWAI HAWAI 41945 Briefs Color White
Regular Price
$6.00
Sale Price
$6.00
Regular Price
$0.00
Unit Price
per 
Joe Snyder Joe Snyder JS07-Pol Polyester Capri Color Black-Poly
Regular Price
$23.80
Sale Price
$23.80
Regular Price
$0.00
Unit Price
per 
SOLD OUT
Joe Snyder Joe Snyder JS22-Pol Polyester Mini Cheek Color Fuchsia-Poly
Regular Price
$34.00
Sale Price
$34.00
Regular Price
$0.00
Unit Price
per 
Joe Snyder Joe Snyder JS22-Pol Polyester Mini Cheek Color Yellow-Poly
Regular Price
$34.00
Sale Price
$34.00
Regular Price
$0.00
Unit Price
per 
JOR JOR 0713 Cooper Boxer Briefs Color Beige
Regular Price
$8.00
Sale Price
$8.00
Regular Price
$0.00
Unit Price
per 
Save 15%
Male Power Male Power 153070 Heavy Metal Mini Short Boxer Briefs Color Gold
Regular Price
$22.95
Sale Price
$22.95
Regular Price
$27.00
Unit Price
per 
Save 15%
Male Power Male Power 153070 Heavy Metal Mini Short Boxer Briefs Color Red
Regular Price
$22.95
Sale Price
$22.95
Regular Price
$27.00
Unit Price
per 
Save 35%
Male Power Male Power 153070 Heavy Metal Mini Short Boxer Briefs Color Silver
Regular Price
$9.95
Sale Price
$9.95
Regular Price
$15.30
Unit Price
per 
SOLD OUT
Male Power Male Power 150-249 Avant-Garde Enhancer Short Color Eggplant
Regular Price
$8.00
Sale Price
$8.00
Regular Price
$0.00
Unit Price
per