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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Xtremen Xtremen 91201 Jacquard Bikini Color White
Regular Price
$20.48
Sale Price
$20.48
Regular Price
$24.09
Unit Price
per 
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Xtremen Xtremen 91199 Jacquard Trunks Color Gray
Regular Price
$22.35
Sale Price
$22.35
Regular Price
$26.29
Unit Price
per 
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Xtremen Xtremen 91201 Jacquard Bikini Color Gray
Regular Price
$20.48
Sale Price
$20.48
Regular Price
$24.09
Unit Price
per 
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Xtremen Xtremen 91202 Microfiber Trunks Color Gray
Regular Price
$24.22
Sale Price
$24.22
Regular Price
$28.49
Unit Price
per 
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Xtremen Xtremen 91204 Microfiber Bikini Color Gray
Regular Price
$22.35
Sale Price
$22.35
Regular Price
$26.29
Unit Price
per 
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Xtremen Xtremen 91199 Jacquard Trunks Color Dark Blue
Regular Price
$22.35
Sale Price
$22.35
Regular Price
$26.29
Unit Price
per 
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Xtremen Xtremen 91201 Jacquard Bikini Color Dark Blue
Regular Price
$20.48
Sale Price
$20.48
Regular Price
$24.09
Unit Price
per 
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Xtremen Xtremen 91202 Microfiber Trunks Color Cherry
Regular Price
$24.22
Sale Price
$24.22
Regular Price
$28.49
Unit Price
per 
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Xtremen Xtremen 91204 Microfiber Bikini Color Cherry
Regular Price
$22.35
Sale Price
$22.35
Regular Price
$26.29
Unit Price
per 
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Xtremen Xtremen 91202 Microfiber Trunks Color Black
Regular Price
$24.22
Sale Price
$24.22
Regular Price
$28.49
Unit Price
per 
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Xtremen Xtremen 91204 Microfiber Bikini Color Black
Regular Price
$22.35
Sale Price
$22.35
Regular Price
$26.29
Unit Price
per 
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Xtremen Xtremen 91190 Jacquard Trunks Color Royal Blue
Regular Price
$20.48
Sale Price
$20.48
Regular Price
$24.09
Unit Price
per 
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Xtremen Xtremen 91190 Jacquard Trunks Color Red
Regular Price
$20.48
Sale Price
$20.48
Regular Price
$24.09
Unit Price
per 
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Xtremen Xtremen 91190 Jacquard Trunks Color Gray
Regular Price
$20.48
Sale Price
$20.48
Regular Price
$24.09
Unit Price
per 
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Clever Clever 5373 Australian Latin Briefs Color Black
Regular Price
$22.35
Sale Price
$22.35
Regular Price
$26.29
Unit Price
per 
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Xtremen Xtremen 91154 Tulle mesh Trunks Color Navy
Regular Price
$20.48
Sale Price
$20.48
Regular Price
$24.09
Unit Price
per 
Doreanse Doreanse 1281-TAN Hang-loose Bikini Brief Color Tan
Regular Price
$15.18
Sale Price
$15.18
Regular Price
$0.00
Unit Price
per 
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Unico Unico 24080101117 Trino Briefs Color 99-Printed
Regular Price
$25.42
Sale Price
$25.42
Regular Price
$29.90
Unit Price
per 
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Unico Unico 24080100322 Ardid Boxer Briefs Color 99-Black
Regular Price
$33.92
Sale Price
$33.92
Regular Price
$39.90
Unit Price
per 
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Unico Unico 24080101110 Infinito Briefs Color 46-Blue
Regular Price
$25.42
Sale Price
$25.42
Regular Price
$29.90
Unit Price
per 
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Unico Unico 24080101105 Cairel Briefs Color 43-Green
Regular Price
$25.42
Sale Price
$25.42
Regular Price
$29.90
Unit Price
per 
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Unico Unico 24080101112 Hilada Briefs Color 43-Blue
Regular Price
$25.42
Sale Price
$25.42
Regular Price
$29.90
Unit Price
per 
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HAWAI HAWAI 42380 Printed Briefs Color Green
Regular Price
$20.48
Sale Price
$20.48
Regular Price
$24.09
Unit Price
per 
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HAWAI HAWAI 42430 Printed Briefs Color Gray
Regular Price
$16.74
Sale Price
$16.74
Regular Price
$19.69
Unit Price
per 
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HAWAI HAWAI 42431 Printed Briefs Color Cocoa
Regular Price
$16.74
Sale Price
$16.74
Regular Price
$19.69
Unit Price
per 
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HAWAI HAWAI 42380 Printed Briefs Color Black
Regular Price
$20.48
Sale Price
$20.48
Regular Price
$24.09
Unit Price
per 
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HAWAI HAWAI 42431 Printed Briefs Color Blue
Regular Price
$16.74
Sale Price
$16.74
Regular Price
$19.69
Unit Price
per 
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HAWAI HAWAI 42430 Printed Briefs Color Blue
Regular Price
$16.74
Sale Price
$16.74
Regular Price
$19.69
Unit Price
per 
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Clever Clever 1626 Yin Yang Briefs Color White
Regular Price
$27.96
Sale Price
$27.96
Regular Price
$32.89
Unit Price
per 
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Clever Clever 1636 Pacif Briefs Color Pink
Regular Price
$27.96
Sale Price
$27.96
Regular Price
$32.89
Unit Price
per