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 17%
Roger Smuth Roger Smuth RS089 Ball lifter Color White
$35.00
$35.00
$42.00
Save 14%
Roger Smuth Roger Smuth RS086 Jock-Thong Color Green
$62.00
$62.00
$72.00
Save 15%
Roger Smuth Roger Smuth RS087 Ball lifter Color Green
$44.00
$44.00
$52.00
Save 14%
Roger Smuth Roger Smuth RS086 Jock-Thong Color Burgundy
$62.00
$62.00
$72.00
Save 15%
Roger Smuth Roger Smuth RS087 Ball lifter Color Burgundy
$44.00
$44.00
$52.00
Save 14%
Roger Smuth Roger Smuth RS088 Jock-Thong Color Burgundy
$59.00
$59.00
$69.00
Save 15%
Roger Smuth Roger Smuth RS087 Ball lifter Color Blue
$44.00
$44.00
$52.00
Save 14%
Roger Smuth Roger Smuth RS086 Jock-Thong Color Black
$62.00
$62.00
$72.00
Save 14%
Roger Smuth Roger Smuth RS088 Jock-Thong Color Black
$59.00
$59.00
$69.00
Save 17%
Roger Smuth Roger Smuth RS089 Ball lifter Color Black
$35.00
$35.00
$42.00
Save 14%
ErgoWear ErgoWear EW1685 MAX FLOW Boxer Briefs Color Gray
$54.00
$54.00
$63.00
Save 35%
ErgoWear ErgoWear EW1686 MAX FLOW Jockstrap Color Black
$36.00
$36.00
$55.00
Save 15%
ErgoWear ErgoWear EW1710 X4D Boxer Briefs Color Royal Blue
$64.00
$64.00
$75.00
Save 15%
ErgoWear ErgoWear EW1706 X4D Boxer Briefs Color Gray
$64.00
$64.00
$75.00
Save 15%
ErgoWear ErgoWear EW1702 X4D Boxer Briefs Color Black
$64.00
$64.00
$75.00
Doreanse Doreanse 1281-NVY Hang-loose Bikini Brief Color Navy Blue
$24.00
$24.00
$0.00
Doreanse Doreanse 1760-BLK Low-rise Trunk Color Black
$34.00
$34.00
$0.00
Doreanse Doreanse 1215-BLK Naked Bikini Color Black
$27.00
$27.00
$0.00
Save 33%
HAWAI HAWAI 41946 Jockstrap Color Black
$16.00
$16.00
$24.00
Doreanse Doreanse 1313-BLK Ribbed Micromodal Bikini Color Black
$31.00
$31.00
$0.00
Save 33%
Hidden Hidden 957 Open Butt Trunk Color Black
$16.00
$16.00
$24.00
Save 33%
Hidden Hidden 953 Garterbelt Briefs Color White
$16.00
$16.00
$24.00
Doreanse Doreanse 1395-BLU Aire Bikini Color Cobalt Blue
$32.00
$32.00
$0.00
Save 33%
HAWAI HAWAI 41946 Solid Athletic Jockstrap Color Royal Blue
$16.00
$16.00
$24.00
HAWAI HAWAI 41946 Solid Athletic Jockstrap Color Pearl
$8.00
$8.00
$0.00
Save 33%
HAWAI HAWAI 41946T Animal Print Athletic Jockstrap Color Amethyst
$16.00
$16.00
$24.00
HAWAI HAWAI 41903 Solid Athletic Boxer Briefs Color Black
$13.00
$13.00
$0.00
Save 32%
HAWAI HAWAI 41946 Solid Athletic Jockstrap Color Amethyst
$17.00
$17.00
$25.00
HAWAI HAWAI 41946T Animal Print Athletic Jockstrap Color Pink
$8.00
$8.00
$0.00
HAWAI HAWAI 41946 Solid Athletic Jockstrap Color Caramel
$8.00
$8.00
$0.00