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
Xtremen Xtremen 91083 Microfiber Pride Jockstrap Color Red
$18.61
$18.61
$21.89
SALE
Xtremen Xtremen 91085 Microfiber Jacquard Jockstrap Color Royal
$18.61
$18.61
$21.89
SALE
Xtremen Xtremen 91081 Microfiber Jacquard Bikini Color Red
$9.95
$9.95
$15.30
SALE
Xtremen Xtremen 51478C Microfiber Jacquard Trunks Color Gray
$9.95
$9.95
$15.30
SALE
Xtremen Xtremen 51475C Microfiber Athletic Trunks Color Red
$9.95
$9.95
$15.30
SALE
Xtremen Xtremen 51475C Microfiber Athletic Trunks Color Blue
$9.95
$9.95
$15.30
SALE
Xtremen Xtremen 91088 Microfiber Pride Briefs Color Turquoise
$12.87
$12.87
$19.80
SALE
Xtremen Xtremen 51477C Microfiber Jacquard Trunks Color Green
$9.95
$9.95
$15.30
SALE
Xtremen Xtremen 91082 Microfiber Pride Bikini Color Red
$18.61
$18.61
$21.89
SALE
Xtremen Xtremen 91083 Microfiber Pride Jockstrap Color Blue
$18.61
$18.61
$21.89
SALE
Xtremen Xtremen 91084 Microfiber Pride Jockstrap Color Red
$12.87
$12.87
$19.80
SALE
Xtremen Xtremen 91085 Microfiber Jacquard Jockstrap Color Gray
$18.61
$18.61
$21.89
SALE
Xtremen Xtremen 51478C Microfiber Jacquard Trunks Color Red
$9.95
$9.95
$15.30
SALE
Xtremen Xtremen 91082 Microfiber Pride Bikini Color Blue
$12.87
$12.87
$19.80
SOLD OUT
Xtremen Xtremen 51478C Microfiber Jacquard Trunks Color Royal
$9.95
$9.95
$15.30
SALE
Xtremen Xtremen 91084 Microfiber Pride Jockstrap Color Black
$12.87
$12.87
$19.80
SALE
Xtremen Xtremen 91088 Microfiber Pride Briefs Color Red
$12.87
$12.87
$19.80
SALE
Xtremen Xtremen 91032 Butt lifter Jockstrap Color White
$17.02
$17.02
$20.02
SALE
Xtremen Xtremen 91090 Frice Microfiber Jockstrap Color Pink
$12.87
$12.87
$19.80
SALE
Xtremen Xtremen 91102 Microfiber Jockstrap Color White
$11.58
$11.58
$17.81
SALE
Xtremen Xtremen 91102 Microfiber Jockstrap Color Red
$16.74
$16.74
$19.69
SALE
Xtremen Xtremen 91099 Microfiber Mesh Jockstrap Color Black
$12.87
$12.87
$19.80
SALE
Xtremen Xtremen 91099 Microfiber Mesh Jockstrap Color Pink
$12.87
$12.87
$19.80
SALE
Xtremen Xtremen 91102 Microfiber Jockstrap Color Jasper Gray
$11.58
$11.58
$17.81
SALE
Xtremen Xtremen 91099 Microfiber Mesh Jockstrap Color Red
$12.87
$12.87
$19.80
SALE
Xtremen Xtremen 91102 Microfiber Jockstrap Color Dark Blue
$11.58
$11.58
$17.81
SALE
Xtremen Xtremen 91107 Protuder Jockstrap Color Navy
$31.70
$31.70
$37.29
SALE
Xtremen Xtremen 91107 Protuder Jockstrap Color Maroon
$31.70
$31.70
$37.29
SALE
Xtremen Xtremen 91105 Pride Jockstrap Color Navy
$9.95
$9.95
$15.30
SALE
Xtremen Xtremen 91105 Pride Jockstrap Color Black
$12.87
$12.87
$19.80