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 35%
Clever Clever 1605 Spirit Briefs Color Green
$18.04
$18.04
$27.76
Save 35%
Clever Clever 1638 Dynamic Briefs Color Green
$19.34
$19.34
$29.75
Save 15%
Clever Clever 1605 Spirit Briefs Color Gray
$26.09
$26.09
$30.69
Save 35%
Clever Clever 1605 Spirit Briefs Color Brown
$18.04
$18.04
$27.76
Save 15%
Clever Clever 1615 Urbano Briefs Color Blue
$24.22
$24.22
$28.49
Save 35%
Clever Clever 1641 Emphatic Briefs Color Blue
$19.34
$19.34
$29.75
Save 15%
Clever Clever 1605 Spirit Briefs Color Black
$26.09
$26.09
$30.69
Save 15%
Clever Clever 1612 Chakra Briefs Color Black
$29.83
$29.83
$35.09
Save 15%
Clever Clever 1626 Yin Yang Briefs Color Black
$27.96
$27.96
$32.89
Save 15%
Clever Clever 1643 Absolute Briefs Color Black
$27.96
$27.96
$32.89
Save 15%
Xtremen Xtremen 91196 Jacquard Trunks Color White
$22.35
$22.35
$26.29
Save 15%
Xtremen Xtremen 91197 Jacquard Bikini Color White
$20.48
$20.48
$24.09
Save 15%
Xtremen Xtremen 91192 Jacquard Bikini Color Royal Blue
$20.48
$20.48
$24.09
Save 15%
Xtremen Xtremen 91192 Jacquard Bikini Color Red
$20.48
$20.48
$24.09
Save 15%
Xtremen Xtremen 91193 Printed Trunks Color Pumpkins
$22.35
$22.35
$26.29
Save 15%
Xtremen Xtremen 91195 Printed Bikini Color Pumpkins
$22.35
$22.35
$26.29
Save 35%
Xtremen Xtremen 91192 Jacquard Bikini Color Gray
$14.16
$14.16
$21.79
Save 15%
Xtremen Xtremen 91196 Jacquard Trunks Color Gray
$22.35
$22.35
$26.29
Save 35%
Xtremen Xtremen 91197 Jacquard Bikini Color Gray
$14.16
$14.16
$21.79
Save 15%
Xtremen Xtremen 91196 Jacquard Trunks Color Dark Blue
$22.35
$22.35
$26.29
Save 35%
Xtremen Xtremen 91197 Jacquard Bikini Color Dark Blue
$14.16
$14.16
$21.79
Save 15%
Xtremen Xtremen 91196 Jacquard Trunks Color Black
$22.35
$22.35
$26.29
Save 35%
Xtremen Xtremen 91197 Jacquard Bikini Color Black
$14.16
$14.16
$21.79
Save 35%
Roger Smuth Roger Smuth RS014 Jockstrap Color Black
$9.95
$9.95
$15.30
Save 35%
Roger Smuth Roger Smuth RS018 Jockstrap Color Burgundy
$20.63
$20.63
$31.74
Save 35%
Roger Smuth Roger Smuth RS018 Jockstrap Color Blue
$9.95
$9.95
$15.30
Save 35%
Roger Smuth Roger Smuth RS030 Briefs Color Gray
$9.95
$9.95
$15.30
Save 35%
Roger Smuth Roger Smuth RS014 Jockstrap Color White
$9.95
$9.95
$15.30
Save 35%
Roger Smuth Roger Smuth RS030 Briefs Color Black
$9.95
$9.95
$15.30
Save 35%
Roger Smuth Roger Smuth RS013 Jockstrap Color Burgundy
$9.95
$9.95
$15.30