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.
Clever Clever 1320 Creation Trunks Color Green
$50.00
$50.00
$0.00
Save 35%
ErgoWear ErgoWear EW1460 MAX SE Jockstrap Color Blue
$34.00
$34.00
$52.00
Save 34%
ErgoWear ErgoWear EW1462 MAX SE Bikini Color Blue
$33.00
$33.00
$50.00
Save 35%
ErgoWear ErgoWear EW1455 MAX SE Jockstrap Color Black
$34.00
$34.00
$52.00
Save 35%
ErgoWear ErgoWear EW1465 MAX SE Jockstrap Color Aqua
$34.00
$34.00
$52.00
Save 36%
JOR JOR 1845 Nitro Harness Color Red
$25.00
$25.00
$39.00
JOR JOR 1835 Daily Trunks Color Purple
$12.00
$12.00
$0.00
Save 36%
JOR JOR 1837 Daily Bikini Color Purple
$27.00
$27.00
$42.00
JOR JOR 1862 Element Jockstrap Color Petrol
$9.00
$9.00
$0.00
Save 36%
JOR JOR 1828 Dante Bikini Color Green
$25.00
$25.00
$39.00
Save 36%
JOR JOR 1838 Daily Jockstrap Color Gray
$25.00
$25.00
$39.00
Save 36%
JOR JOR 1840 Nitro Trunks Color Black
$27.00
$27.00
$42.00
BiteWear BiteWear BW2023101 Discreet Apricot Jockstrap Color Fuchsia
$46.00
$46.00
$0.00
Xtremen Xtremen 91151 Destellante Trunks Color Green
$46.00
$46.00
$0.00
Save 15%
ErgoWear ErgoWear EW1402 FEEL XX Briefs Color Raspberry
$46.00
$46.00
$54.00
Clever Clever 1452 Purity Bikini Color Dark Blue
$46.00
$46.00
$0.00
Clever Clever 1469 Audacity Bikini Color Black
$50.00
$50.00
$0.00
Xtremen Xtremen 91157 Capriati Trunks Color Light Blue
$36.00
$36.00
$0.00
Save 15%
ErgoWear ErgoWear EW1593 X4D Trunks Color Silver Gray
$51.00
$51.00
$60.00
Save 15%
ErgoWear ErgoWear EW1485 MAX COTTON Boxer Briefs Color Black
$52.00
$52.00
$61.00
Save 35%
Private Structure Private Structure MOUX4103 Mo Lite Mid Waist Trunks Color Black
$24.00
$24.00
$37.00
Save 16%
ErgoWear ErgoWear EW1504 HIP Trunks Color Sky Blue
$32.00
$32.00
$38.00
Save 15%
ErgoWear ErgoWear EW1628 MAX XX Boxer Briefs Color Light Teal
$51.00
$51.00
$60.00
Save 15%
ErgoWear ErgoWear EW1632 MAX XX Boxer Briefs Color Blue Fog
$51.00
$51.00
$60.00
Male Power Male Power 145-286 Dirty Denim Mini Short Color Denim Print
$32.00
$32.00
Male Power Male Power 384-288 Show Stopper Jock Color Silver Mesh Dot
$33.00
$33.00
Male Power Male Power 331-293 Your Lace Or Mine Jock Color Red-White-Blue
$27.00
$27.00
Male Power Male Power 390-294 Hazy Dayz Jock Color Pot Leaf
$27.00
$27.00
Male Power Male Power 331-293 Your Lace Or Mine Jock Color Multi
$27.00
$27.00
Save 33%
Male Power Male Power 304-290 Marble Mesh Mini Moonshine Color Light Blue
$18.00
$18.00
$27.00