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.
Xtremen Xtremen 91197 Jacquard Bikini Color Gray
$24.09
$24.09
Xtremen Xtremen 91196 Jacquard Trunks Color Dark Blue
$26.29
$26.29
Xtremen Xtremen 91197 Jacquard Bikini Color Dark Blue
$24.09
$24.09
Xtremen Xtremen 91196 Jacquard Trunks Color Black
$26.29
$26.29
Xtremen Xtremen 91197 Jacquard Bikini Color Black
$24.09
$24.09
Save 35%
Clever Clever 5402 Senses Briefs Color White
$9.95
$9.95
$15.30
Doreanse Doreanse 1779-TRQ Pouch Mini Trunk Color Turquoise
$21.40
$21.40
$0.00
Doreanse Doreanse 1760-YLW Low-rise Trunk Color Yellow
$21.62
$21.62
$0.00
Doreanse Doreanse 1281-TAN Hang-loose Bikini Brief Color Tan
$15.18
$15.18
$0.00
Doreanse Doreanse 1377-BLK Boost Cheeky Brief Color Black
$20.24
$20.24
$0.00
Doreanse Doreanse 1377-FUC Boost Cheeky Brief Color Fuchsia
$20.24
$20.24
$0.00
Save 35%
HAWAI HAWAI 41948 Boxer Briefs Color White
$9.95
$9.95
$15.30
Male Power Male Power 153070 Heavy Metal Mini Short Boxer Briefs Color Red
$27.00
$27.00
$0.00
Save 35%
Papi Papi 980403-950 3PK Cotton Stretch Brief Color Red-Gray-Black
$9.95
$9.95
$15.30
Save 35%
Papi Papi 980911-950 3PK Cotton Stretch Jockstrap Color Red-Gray-Black
$9.95
$9.95
$15.30
Save 15%
PPU PPU 0965 Jockstrap Color White-Black
$12.60
$12.60
$14.83
Unico Unico 1200100300 (1212010030300) Boxer Briefs Cristalino Microfiber Color White
$30.66
$30.66
$0.00
Unico Unico 9610020100 (9612010120100) Jockstrap Cristalino Cotton Color White
$18.70
$18.70
$0.00
Xtremen Xtremen 91029 Stripes Briefs Color White
$6.00
$6.00
$0.00
Hidden Hidden 951 Mesh Bikini Color Black
$6.00
$6.00
$0.00
Save 15%
Hidden Hidden 965 Open Side Briefs Color Black
$20.76
$20.76
$24.42
Save 15%
Hidden Hidden 955 Mesh Briefs Color Black-White
$21.49
$21.49
$25.28
Save 15%
Hidden Hidden 966 Mesh Bikini Color White
$17.99
$17.99
$21.16
Save 15%
Hidden Hidden 966 Mesh Bikini Color Jade
$17.99
$17.99
$21.16
Save 35%
Pikante Pikante PIK 8733 Great Briefs Color White
$14.46
$14.46
$22.25
Xtremen Xtremen 91059 Peekaboo Mesh Briefs Color Blue
$20.00
$20.00
$0.00
Xtremen Xtremen 51453C Stripes Trunk Color Turquoise
$8.00
$8.00
$0.00
PPU PPU 2016 Briefs Color Black
$6.00
$6.00
$0.00
Save 35%
PPU PPU 2003 Jockstrap Color Turquoise
$9.95
$9.95
$15.30
Save 35%
Roger Smuth Roger Smuth RS014 Jockstrap Color Black
$19.34
$19.34
$29.75