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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BiteWear BiteWear BW2023107 Bright Kumquat Trunks Color Green
$23.00
$23.00
$27.00
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BiteWear BiteWear BW2023108 Tuxedo Banana Jockstrap Color Green
$41.00
$41.00
$48.00
Save 15%
BiteWear BiteWear BW2023112 Dirty Plum Jockstrap Color Green
$23.00
$23.00
$27.00
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BiteWear BiteWear BW2023107 Bright Kumquat Trunks Color Fuchsia
$23.00
$23.00
$27.00
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BiteWear BiteWear BW2023108 Tuxedo Banana Jockstrap Color Fuchsia
$41.00
$41.00
$48.00
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BiteWear BiteWear BW2023112 Dirty Plum Jockstrap Color Fuchsia
$23.00
$23.00
$27.00
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BiteWear BiteWear BW2023110 Sweet Kiwi Briefs Color Black
$23.00
$23.00
$27.00
Save 34%
Xtremen Xtremen 91149 Destellante Jockstrap Color Rosewood
$29.00
$29.00
$44.00
Xtremen Xtremen 91149 Destellante Jockstrap Color Rosewood
$48.00
$48.00
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Xtremen Xtremen 91151 Destellante Trunks Color Purple
$41.00
$41.00
$48.00
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Xtremen Xtremen 91149 Destellante Jockstrap Color Gold
$29.00
$29.00
$44.00
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Xtremen Xtremen 91162 Morelo Trunks Color Coral
$35.00
$35.00
$41.00
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Xtremen Xtremen 91162 Morelo Trunks Color Black
$35.00
$35.00
$41.00
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Clever Clever 1448 Sainted Trunks Color White
$37.00
$37.00
$56.00
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Clever Clever 1472 Heavenly Briefs Color White
$29.00
$29.00
$44.00
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Clever Clever 1447 Fable Briefs Color Gray
$16.00
$16.00
$24.00
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Clever Clever 1456 Grace Trunks Color Gray
$47.00
$47.00
$55.00
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Clever Clever 1447 Fable Briefs Color Blue
$31.00
$31.00
$47.00
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Clever Clever 1466 Misty Jockstrap Color Black
$33.00
$33.00
$50.00
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Xtremen Xtremen 91162 Morelo Trunks Color Turquoise
$16.00
$16.00
$24.00
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Xtremen Xtremen 91169 Mesh Briefs Color Navy
$35.00
$35.00
$41.00
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Xtremen Xtremen 91158 Capriati Trunks Color Dark Gray
$23.00
$23.00
$34.00
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Xtremen Xtremen 91158 Capriati Trunks Color Candy
$23.00
$23.00
$34.00
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Xtremen Xtremen 91158 Capriati Trunks Color Black
$23.00
$23.00
$34.00
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Xtremen Xtremen 91169 Mesh Briefs Color Black
$25.00
$25.00
$38.00
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Clever Clever 1509 Tethis Briefs Color Yellow
$29.00
$29.00
$44.00
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Clever Clever 1511 Caspian Trunks Color White
$16.00
$16.00
$24.00
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Clever Clever 1512 Caspian Briefs Color White
$16.00
$16.00
$24.00
Save 33%
Clever Clever 1513 Caspian Jockstrap Color White
$16.00
$16.00
$24.00
Save 34%
Clever Clever 1532 Swirl Briefs Color White
$41.00
$41.00
$62.00