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 14%
Clever Clever 1471 Heavenly Trunks Color White
$44.00
$44.00
$51.00
Save 35%
Clever Clever 1457 Grace Briefs Color Gray
$30.00
$30.00
$46.00
Save 16%
Clever Clever 1451 Purity Trunks Color Dark Blue
$38.00
$38.00
$45.00
Save 16%
Clever Clever 1452 Purity Bikini Color Dark Blue
$38.00
$38.00
$45.00
Save 35%
Clever Clever 1447 Fable Briefs Color Blue
$28.00
$28.00
$43.00
Save 35%
Clever Clever 1458 Figure Trunks Color Blue
$15.00
$15.00
$23.00
Save 34%
Clever Clever 1459 Figure Bikini Color Blue
$25.00
$25.00
$38.00
Save 35%
Clever Clever 1466 Misty Jockstrap Color Black
$30.00
$30.00
$46.00
Save 15%
Clever Clever 1469 Audacity Bikini Color Black
$41.00
$41.00
$48.00
Save 35%
Clever Clever 1470 Audacity Jockstrap Color Black
$15.00
$15.00
$23.00
Save 14%
Clever Clever 1471 Heavenly Trunks Color Black
$44.00
$44.00
$51.00
SOLD OUT
Clever Clever 1472 Heavenly Briefs Color Black
$9.00
$9.00
$0.00
Save 14%
Xtremen Xtremen 91157 Capriati Trunks Color Silver
$30.00
$30.00
$35.00
Save 35%
Xtremen Xtremen 91169 Mesh Briefs Color Rosewood
$15.00
$15.00
$23.00
Save 14%
Xtremen Xtremen 91157 Capriati Trunks Color Light Blue
$30.00
$30.00
$35.00
Save 15%
ErgoWear ErgoWear EW1476 MAX COTTON Trunks Color White
$45.00
$45.00
$53.00
SOLD OUT
ErgoWear ErgoWear EW1597 X4D Trunks Color Smoke Blue
$49.00
$49.00
$58.00
SOLD OUT
ErgoWear ErgoWear EW1598 X4D Boxer Briefs Color Smoke Blue
$45.00
$45.00
$70.00
SOLD OUT
ErgoWear ErgoWear EW1593 X4D Trunks Color Silver Gray
$38.00
$38.00
$58.00
SOLD OUT
ErgoWear ErgoWear EW1594 X4D Boxer Briefs Color Silver Gray
$45.00
$45.00
$70.00
SOLD OUT
ErgoWear ErgoWear EW1601 X4D Trunks Color Navy Blue
$38.00
$38.00
$58.00
SOLD OUT
ErgoWear ErgoWear EW1481 MAX COTTON Boxer Briefs Color Garnet
$38.00
$38.00
$59.00
SOLD OUT
ErgoWear ErgoWear EW1589 X4D Trunks Color Dusty Pink
$38.00
$38.00
$58.00
SOLD OUT
ErgoWear ErgoWear EW1484 MAX COTTON Trunks Color Black
$35.00
$35.00
$53.00
SOLD OUT
ErgoWear ErgoWear EW1602 X4D Boxer Briefs Color Navy Blue
$45.00
$45.00
$70.00
Save 34%
Private Structure Private Structure MOUX4103 Mo Lite Mid Waist Trunks Color White
$23.00
$23.00
$35.00
Private Structure Private Structure SCUS4529 Classic Mid Waist Mini Briefs Color Red
$34.00
$34.00
Private Structure Private Structure SCUS4529 Classic Mid Waist Mini Briefs Color Purple
$34.00
$34.00
Save 34%
Private Structure Private Structure MOUX4104 Mo Lite Mid Waist Mini Briefs Color Navy
$23.00
$23.00
$35.00
Private Structure Private Structure SCUS4530 Classic Mid Waist Trunks Color Navy
$36.00
$36.00