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.

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ErgoWear ErgoWear EW1619 MAX XX Trunks Color Black
Regular Price
$30.46
Sale Price
$30.46
Regular Price
$35.84
Unit Price
per 
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ErgoWear ErgoWear EW1620 MAX XX Boxer Briefs Color Black
Regular Price
$33.95
Sale Price
$33.95
Regular Price
$39.94
Unit Price
per 
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Clever Clever 1508 Tethis Trunks Color Yellow
Regular Price
$18.04
Sale Price
$18.04
Regular Price
$27.76
Unit Price
per 
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Clever Clever 1523 Navigate Briefs Color Red
Regular Price
$9.95
Sale Price
$9.95
Regular Price
$15.30
Unit Price
per 
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Clever Clever 1524 Continental Trunks Color Petrol Blue
Regular Price
$24.22
Sale Price
$24.22
Regular Price
$28.49
Unit Price
per 
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Clever Clever 1528 Arctic Boxer Briefs Color Petrol Blue
Regular Price
$24.51
Sale Price
$24.51
Regular Price
$37.71
Unit Price
per 
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Clever Clever 1529 Glacier Trunks Color Green
Regular Price
$20.48
Sale Price
$20.48
Regular Price
$24.09
Unit Price
per 
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Clever Clever 1523 Navigate Briefs Color Gray
Regular Price
$20.63
Sale Price
$20.63
Regular Price
$31.74
Unit Price
per 
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Clever Clever 1529 Glacier Trunks Color Gray
Regular Price
$14.16
Sale Price
$14.16
Regular Price
$21.79
Unit Price
per 
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Clever Clever 1527 Strait Briefs Color Dark Blue
Regular Price
$9.95
Sale Price
$9.95
Regular Price
$15.30
Unit Price
per 
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Clever Clever 1508 Tethis Trunks Color Blue
Regular Price
$18.04
Sale Price
$18.04
Regular Price
$27.76
Unit Price
per 
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ErgoWear ErgoWear EW1612 MAX SE Jockstrap Color Royal Blue
Regular Price
$22.31
Sale Price
$22.31
Regular Price
$34.33
Unit Price
per 
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ErgoWear ErgoWear EW1615 MAX SE Jockstrap Color Red
Regular Price
$22.31
Sale Price
$22.31
Regular Price
$34.33
Unit Price
per 
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ErgoWear ErgoWear EW1613 MAX SE Jockstrap Color Neon Yellow
Regular Price
$22.31
Sale Price
$22.31
Regular Price
$34.33
Unit Price
per 
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ErgoWear ErgoWear EW1614 MAX SE Jockstrap Color Black
Regular Price
$22.31
Sale Price
$22.31
Regular Price
$34.33
Unit Price
per 
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Male Power Male Power 147-288 Show Stopper Mini Short Color Silver Mesh Dot
Regular Price
$9.95
Sale Price
$9.95
Regular Price
$15.30
Unit Price
per 
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Male Power Male Power 131-293 Your Lace Or Mine Pouch Short Color Red-White-Blue
Regular Price
$9.95
Sale Price
$9.95
Regular Price
$15.30
Unit Price
per 
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Male Power Male Power 145-294 Hazy Dayz Pouch Short Color Pot Leaf
Regular Price
$16.92
Sale Price
$16.92
Regular Price
$19.90
Unit Price
per 
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Male Power Male Power 145-294 Hazy Dayz Pouch Short Color Mushrooms
Regular Price
$16.92
Sale Price
$16.92
Regular Price
$19.90
Unit Price
per 
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Male Power Male Power 131-293 Your Lace Or Mine Pouch Short Color Multi
Regular Price
$9.95
Sale Price
$9.95
Regular Price
$15.30
Unit Price
per 
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Male Power Male Power 130-290 Marble Mesh Micro Mini Short Color Light Blue
Regular Price
$9.95
Sale Price
$9.95
Regular Price
$15.30
Unit Price
per 
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Male Power Male Power 145-286 Dirty Denim Mini Short Color Denim Print
Regular Price
$17.77
Sale Price
$17.77
Regular Price
$20.90
Unit Price
per 
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Male Power Male Power 145-285 Petal Power Pouch Short Color Daisy Print
Regular Price
$16.92
Sale Price
$16.92
Regular Price
$19.90
Unit Price
per 
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Male Power Male Power 126-289 Lucifer Cut Out Short Color Burgundy
Regular Price
$20.32
Sale Price
$20.32
Regular Price
$23.90
Unit Price
per 
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Male Power Male Power 141-292 Cut It Out Cut Out Mini Short Color Blue-Green-White
Regular Price
$14.16
Sale Price
$14.16
Regular Price
$21.79
Unit Price
per 
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Male Power Male Power 126-289 Lucifer Cut Out Short Color Black
Regular Price
$20.32
Sale Price
$20.32
Regular Price
$23.90
Unit Price
per 
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Male Power Male Power 130-290 Marble Mesh Micro Mini Short Color Black
Regular Price
$12.87
Sale Price
$12.87
Regular Price
$19.80
Unit Price
per 
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Male Power Male Power 384-288 Show Stopper Jock Color Silver Mesh Dot
Regular Price
$14.16
Sale Price
$14.16
Regular Price
$21.79
Unit Price
per 
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Male Power Male Power 331-293 Your Lace Or Mine Jock Color Red-White-Blue
Regular Price
$11.58
Sale Price
$11.58
Regular Price
$17.81
Unit Price
per 
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Male Power Male Power 390-294 Hazy Dayz Jock Color Pot Leaf
Regular Price
$15.22
Sale Price
$15.22
Regular Price
$17.90
Unit Price
per