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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Clever Clever 1033 Lucerna Briefs Color Black
Regular Price
$15.00
Sale Price
$15.00
Regular Price
$22.00
Unit Price
per 
Save 14%
Clever Clever 1027 Zurich Trunks Color Black
Regular Price
$43.00
Sale Price
$43.00
Regular Price
$50.00
Unit Price
per 
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Clever Clever 1029 Zurich Jockstrap Color Black
Regular Price
$15.00
Sale Price
$15.00
Regular Price
$22.00
Unit Price
per 
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Xtremen Xtremen 91130 Printed Jockstrap Color Royal
Regular Price
$21.00
Sale Price
$21.00
Regular Price
$31.00
Unit Price
per 
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Xtremen Xtremen 91118 Lace Jockstrap Color Rosewood
Regular Price
$24.00
Sale Price
$24.00
Regular Price
$28.00
Unit Price
per 
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Xtremen Xtremen 91127 Mesh Trunks Color Red
Regular Price
$15.00
Sale Price
$15.00
Regular Price
$22.00
Unit Price
per 
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Xtremen Xtremen 91127 Mesh Trunks Color Dark Blue
Regular Price
$27.00
Sale Price
$27.00
Regular Price
$32.00
Unit Price
per 
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Roger Smuth Roger Smuth RS071 Jockstrap Color White
Regular Price
$59.00
Sale Price
$59.00
Regular Price
$69.00
Unit Price
per 
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Roger Smuth Roger Smuth RS072 Trunks Color White
Regular Price
$62.00
Sale Price
$62.00
Regular Price
$72.00
Unit Price
per 
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Roger Smuth Roger Smuth RS075 Jockstrap Color White
Regular Price
$15.00
Sale Price
$15.00
Regular Price
$22.00
Unit Price
per 
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Roger Smuth Roger Smuth RS076 Ball Lifter Color White
Regular Price
$28.00
Sale Price
$28.00
Regular Price
$43.00
Unit Price
per 
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Roger Smuth Roger Smuth RS076 Ball Lifter Color Navy
Regular Price
$40.00
Sale Price
$40.00
Regular Price
$47.00
Unit Price
per 
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Clever Clever 0605-1 Explore Briefs Color Green
Regular Price
$21.00
Sale Price
$21.00
Regular Price
$32.00
Unit Price
per 
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Clever Clever 0607-1 Motivation Trunks Color Blue
Regular Price
$30.00
Sale Price
$30.00
Regular Price
$36.00
Unit Price
per 
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Clever Clever 0608-1 Motivation Briefs Color Blue
Regular Price
$15.00
Sale Price
$15.00
Regular Price
$22.00
Unit Price
per 
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Clever Clever 1126 Vital Trunks Color Green
Regular Price
$30.00
Sale Price
$30.00
Regular Price
$46.00
Unit Price
per 
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Clever Clever 1123 Natura Trunks Color Beige
Regular Price
$43.00
Sale Price
$43.00
Regular Price
$50.00
Unit Price
per 
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Pikante Pikante PIK 1072 Blaze Briefs Color White
Regular Price
$35.00
Sale Price
$35.00
Regular Price
$41.00
Unit Price
per 
Pikante Pikante PIK 1083 Piquancy Briefs Color Red
Regular Price
$12.00
Sale Price
$12.00
Regular Price
$0.00
Unit Price
per 
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Pikante Pikante PIK 1084 Lips Harness Briefs Color Red
Regular Price
$62.00
Sale Price
$62.00
Regular Price
$72.00
Unit Price
per 
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Pikante Pikante PIK 1080 Fiery Jockstrap Color Red
Regular Price
$15.00
Sale Price
$15.00
Regular Price
$22.00
Unit Price
per 
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Pikante Pikante PIK 1076 Nucleus Jockstrap Color Black
Regular Price
$26.00
Sale Price
$26.00
Regular Price
$40.00
Unit Price
per 
Clever Clever 9099 Limited Edition Long Boxer Briefs Color Yellow-15
Regular Price
$12.00
Sale Price
$12.00
Regular Price
$0.00
Unit Price
per 
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Clever Clever 2199 Limited Edition Boxer Briefs Color Pink-40
Regular Price
$15.00
Sale Price
$15.00
Regular Price
$22.00
Unit Price
per 
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Xtremen Xtremen 91134 Mesh Jockstrap Color Dark Blue
Regular Price
$15.00
Sale Price
$15.00
Regular Price
$22.00
Unit Price
per 
Save 15%
Xtremen Xtremen 91123 Lace Briefs Color Black
Regular Price
$35.00
Sale Price
$35.00
Regular Price
$41.00
Unit Price
per 
Save 32%
Xtremen Xtremen 91128 Snake print Jockstrap Color Black
Regular Price
$21.00
Sale Price
$21.00
Regular Price
$31.00
Unit Price
per 
Save 32%
Xtremen Xtremen 91134 Mesh Jockstrap Color Black
Regular Price
$15.00
Sale Price
$15.00
Regular Price
$22.00
Unit Price
per 
Save 32%
Pikante Pikante PIK 1097 Clandestine Velvet Briefs Color Pink
Regular Price
$15.00
Sale Price
$15.00
Regular Price
$22.00
Unit Price
per 
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Pikante Pikante PIK 1098 Clandestine Velvet Bikini Color Pink
Regular Price
$40.00
Sale Price
$40.00
Regular Price
$47.00
Unit Price
per