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
HAWAI HAWAI 42168 Printed Microfiber Jockstrap Color Taupe
$9.95
$9.95
$15.30
SALE
HAWAI HAWAI 42181 Solid Microfiber Briefs Color Amber
$14.16
$14.16
$21.79
SALE
HAWAI HAWAI 42156 Solid Lace Briefs Color Vanilla
$20.48
$20.48
$24.09
SALE
HAWAI HAWAI 42182 Printed Microfiber Briefs Color Dark Blue
$15.46
$15.46
$23.78
SALE
HAWAI HAWAI 42182 Printed Microfiber Briefs Color Military Green
$15.46
$15.46
$23.78
SALE
HAWAI HAWAI 42172 Printed Microfiber Trunks Color Dark Blue
$9.95
$9.95
$15.30
SALE
HAWAI HAWAI 41960 Cotton Trunks Color Pink
$14.87
$14.87
$17.49
SALE
HAWAI HAWAI 41963 Microfiber Briefs Color Light Blue
$9.95
$9.95
$15.30
SALE
HAWAI HAWAI 41962 Cotton Briefs Color Pink
$11.58
$11.58
$17.81
SALE
HAWAI HAWAI 42231 Cotton Trunks Color Gray
$11.58
$11.58
$17.81
SALE
HAWAI HAWAI 42222 Microfiber Trunks Color White
$14.16
$14.16
$21.79
SALE
HAWAI HAWAI 41962 Cotton Briefs Color Black
$11.58
$11.58
$17.81
SALE
HAWAI HAWAI 42240 Microfiber Briefs Color Gray
$14.16
$14.16
$21.79
SALE
HAWAI HAWAI 42222 Microfiber Trunks Color Black
$14.16
$14.16
$21.79
SALE
HAWAI HAWAI 42180 Microfiber Trunks Color Royal Blue
$14.16
$14.16
$21.79
SALE
HAWAI HAWAI 41977 Microfiber Boxer Briefs Color Light Blue
$11.58
$11.58
$17.81
SALE
HAWAI HAWAI 42222 Microfiber Trunks Color Light Blue
$14.16
$14.16
$21.79
SALE
HAWAI HAWAI 42232 Microfiber Trunks Color Light Blue
$14.16
$14.16
$21.79
SALE
HAWAI HAWAI 42241 Microfiber Briefs Color Light Blue
$12.87
$12.87
$19.80
SALE
HAWAI HAWAI 42141 Microfiber Briefs Color Pink
$14.16
$14.16
$21.79
SALE
HAWAI HAWAI 41961 Microfiber Briefs Color Pink
$10.28
$10.28
$15.82
SALE
HAWAI HAWAI 41961 Microfiber Briefs Color Light Blue
$10.28
$10.28
$15.82
SALE
HAWAI HAWAI 42141 Microfiber Briefs Color Light Blue
$9.95
$9.95
$15.30
SALE
JUSTIN+SIMON JUSTIN+SIMON XSJ08 Classic Trunks Color Yellow
$19.84
$19.84
$23.34
SALE
JUSTIN+SIMON JUSTIN+SIMON XSJ22 Cheek Briefs Color Wine
$21.25
$21.25
$25.00
SALE
JUSTIN+SIMON JUSTIN+SIMON XSJ22 Cheek Briefs Color Turquoise
$21.25
$21.25
$25.00
SALE
JUSTIN+SIMON JUSTIN+SIMON XSJ08 Classic Trunks Color Royal Blue
$19.84
$19.84
$23.34
SALE
JUSTIN+SIMON JUSTIN+SIMON XSJ22 Cheek Briefs Color Red
$21.25
$21.25
$25.00
SALE
JUSTIN+SIMON JUSTIN+SIMON XSJ22 Cheek Briefs Color Purple
$21.25
$21.25
$25.00
SALE
JUSTIN+SIMON JUSTIN+SIMON XSJ22 Cheek Briefs Color Pink
$21.25
$21.25
$25.00