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 35%
Clever Clever 1028 Zurich Briefs Color Black
Regular Price
$30.00
Sale Price
$30.00
Regular Price
$46.00
Unit Price
per 
Save 33%
Clever Clever 1029 Zurich Jockstrap Color Black
Regular Price
$16.00
Sale Price
$16.00
Regular Price
$24.00
Unit Price
per 
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Xtremen Xtremen 91130 Printed Jockstrap Color Royal
Regular Price
$22.00
Sale Price
$22.00
Regular Price
$34.00
Unit Price
per 
Save 16%
Xtremen Xtremen 91118 Lace Jockstrap Color Rosewood
Regular Price
$26.00
Sale Price
$26.00
Regular Price
$31.00
Unit Price
per 
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Xtremen Xtremen 91127 Mesh Trunks Color Red
Regular Price
$16.00
Sale Price
$16.00
Regular Price
$24.00
Unit Price
per 
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Xtremen Xtremen 91127 Mesh Trunks Color Dark Blue
Regular Price
$29.00
Sale Price
$29.00
Regular Price
$34.00
Unit Price
per 
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Roger Smuth Roger Smuth RS071 Jockstrap Color White
Regular Price
$64.00
Sale Price
$64.00
Regular Price
$75.00
Unit Price
per 
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Roger Smuth Roger Smuth RS072 Trunks Color White
Regular Price
$67.00
Sale Price
$67.00
Regular Price
$78.00
Unit Price
per 
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Roger Smuth Roger Smuth RS075 Jockstrap Color White
Regular Price
$16.00
Sale Price
$16.00
Regular Price
$24.00
Unit Price
per 
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Roger Smuth Roger Smuth RS076 Ball Lifter Color White
Regular Price
$30.00
Sale Price
$30.00
Regular Price
$46.00
Unit Price
per 
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Roger Smuth Roger Smuth RS077 Thongs Color White
Regular Price
$38.00
Sale Price
$38.00
Regular Price
$59.00
Unit Price
per 
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Roger Smuth Roger Smuth RS076 Ball Lifter Color Navy
Regular Price
$44.00
Sale Price
$44.00
Regular Price
$51.00
Unit Price
per 
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Clever Clever 0605-1 Explore Briefs Color Green
Regular Price
$23.00
Sale Price
$23.00
Regular Price
$35.00
Unit Price
per 
Clever Clever 0607-1 Motivation Trunks Color Blue
Regular Price
$39.00
Sale Price
$39.00
Regular Price
$0.00
Unit Price
per 
Save 33%
Clever Clever 0608-1 Motivation Briefs Color Blue
Regular Price
$16.00
Sale Price
$16.00
Regular Price
$24.00
Unit Price
per 
HAWAI HAWAI 42152 Solid Lace Briefs Color Fuchsia
Regular Price
$44.00
Sale Price
$44.00
Regular Price
$0.00
Unit Price
per 
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HAWAI HAWAI 42156 Solid Lace Briefs Color Fuchsia
Regular Price
$16.00
Sale Price
$16.00
Regular Price
$24.00
Unit Price
per 
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HAWAI HAWAI 42255 Microfiber Trunks Color Magenta
Regular Price
$24.00
Sale Price
$24.00
Regular Price
$37.00
Unit Price
per 
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HAWAI HAWAI 42258 Microfiber Jockstrap Color Hazelnut
Regular Price
$16.00
Sale Price
$16.00
Regular Price
$24.00
Unit Price
per 
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HAWAI HAWAI 42296 Microfiber Jockstrap Color Gray
Regular Price
$16.00
Sale Price
$16.00
Regular Price
$24.00
Unit Price
per 
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HAWAI HAWAI 42255 Microfiber Trunks Color Fuchsia
Regular Price
$24.00
Sale Price
$24.00
Regular Price
$37.00
Unit Price
per 
HAWAI HAWAI 42293 Microfiber Trunks Color Dark Blue
Regular Price
$41.00
Sale Price
$41.00
Regular Price
$0.00
Unit Price
per 
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HAWAI HAWAI 42296 Microfiber Jockstrap Color Dark Blue
Regular Price
$18.00
Sale Price
$18.00
Regular Price
$28.00
Unit Price
per 
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Clever Clever 1126 Vital Trunks Color Green
Regular Price
$32.00
Sale Price
$32.00
Regular Price
$49.00
Unit Price
per 
Clever Clever 1123 Natura Trunks Color Beige
Regular Price
$55.00
Sale Price
$55.00
Regular Price
$0.00
Unit Price
per 
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Clever Clever 1124 Natura Briefs Color Beige
Regular Price
$16.00
Sale Price
$16.00
Regular Price
$24.00
Unit Price
per 
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Unico Unico 23010100104 Erizo Trunks Color 90-Printed
Regular Price
$30.00
Sale Price
$30.00
Regular Price
$46.00
Unit Price
per 
Save 35%
Unico Unico 23010100106 Naufragio Trunks Color 90-Printed
Regular Price
$30.00
Sale Price
$30.00
Regular Price
$46.00
Unit Price
per 
Pikante Pikante PIK 1072 Blaze Briefs Color White
Regular Price
$44.00
Sale Price
$44.00
Regular Price
$0.00
Unit Price
per 
Pikante Pikante PIK 1083 Piquancy Briefs Color Red
Regular Price
$13.00
Sale Price
$13.00
Regular Price
$0.00
Unit Price
per