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.

SALE
Unico Unico 20070100119 Mercurio Trunks Color 29-Printed
$9.95
$9.95
$15.30
SALE
Unico Unico 20070301229 Scheme Jockstrap Color 63-Red
$9.95
$9.95
$15.30
SALE
Unico Unico 20070301234 Palm Tree Jockstrap Color 90-Blue
$9.95
$9.95
$15.30
SALE
Unico Unico 20070100132 Velocipede Trunks Color 90-Black
$9.95
$9.95
$15.30
SALE
Unico Unico 20070100214 Albar Boxer Briefs Color 30-Blue
$20.35
$20.35
$31.30
SALE
Unico Unico 20070301232 Velocipede Jockstrap Color 90-Black
$13.09
$13.09
$20.14
SOLD OUT
Unico Unico 20070100328 Mixture Boxer Briefs Color 00-White
$23.48
$23.48
$36.12
SALE
Unico Unico 20070100231 Waterfront Boxer Briefs Color 63-Blue
$9.95
$9.95
$15.30
SALE
Unico Unico 20070301211 Pocima Jockstrap Color 46-Blue
$13.91
$13.91
$21.39
SALE
Unico Unico 20070301228 Mixture Jockstrap Color 00-White
$9.95
$9.95
$15.30
SALE
Unico Unico 20070100134 Palm Tree Trunks Color 90-Blue
$9.95
$9.95
$15.30
SALE
Unico Unico 20070100111 Pocima Trunks Color 46-Blue
$9.95
$9.95
$15.30
SOLD OUT
Unico Unico 20070100129 Scheme Trunks Color 63-Red
$9.95
$9.95
$15.30
SALE
Unico Unico 20070100114 Albar Trunks Color 30-Blue
$9.95
$9.95
$15.30
SALE
Unico Unico 20070100229 Scheme Boxer Briefs Color 63-Red
$9.95
$9.95
$15.30
SALE
Unico Unico 21062100502 Cold Mountain Long Johns Color 99-Black
$9.95
$9.95
$15.30
Unico Unico 21062100501 Cold Mountain Long Johns Color 00-White
$64.34
$64.34
$0.00
Unico Unico 19160301203 Hilarious Jockstrap Color 43-Green
$20.88
$20.88
$0.00
SALE
Unico Unico 21050301202 Love Wins Jockstrap Color 99-Black
$9.95
$9.95
$15.30
Unico Unico 21050100101 Love Wins Trunks Color 00-White
$33.90
$33.90
$0.00
SALE
Unico Unico 21050100102 Love Wins Trunks Color 99-Black
$9.95
$9.95
$15.30
SALE
Unico Unico 21050201102 Love Wins Briefs Color 99-Black
$18.04
$18.04
$27.76
SALE
Unico Unico 21050301201 Love Wins Jockstrap Color 00-White
$14.16
$14.16
$21.79
SALE
Unico Unico 21050201101 Love Wins Briefs Color 00-White
$18.04
$18.04
$27.76
SALE
Unico Unico 21070301205 Hive Jockstrap Color 90-Green
$9.95
$9.95
$15.30
SALE
Unico Unico 21070100120 Accent Trunks Color 90-Black
$9.95
$9.95
$15.30
SALE
Unico Unico 21070301220 Accent Jockstrap Color 90-Black
$9.95
$9.95
$15.30
SALE
Unico Unico 21070100121 Stripy Trunks Color 63-Gray
$19.34
$19.34
$29.75
SOLD OUT
Unico Unico 21070100105 Hive Trunks Color 90-Green
$22.04
$22.04
$33.90
SALE
Unico Unico 21070100103 Felt Trunks Color 63-White
$9.95
$9.95
$15.30