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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JOR JOR 1754 Party Jockstrap Color Printed
Regular Price
$15.00
Sale Price
$15.00
Regular Price
$22.00
Unit Price
per 
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JOR JOR 1733 Celtic Bikini Color Pink
Regular Price
$15.00
Sale Price
$15.00
Regular Price
$22.00
Unit Price
per 
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JOR JOR 1731 Dante Jockstrap Color Green
Regular Price
$15.00
Sale Price
$15.00
Regular Price
$22.00
Unit Price
per 
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JOR JOR 1733 Celtic Bikini Color Green
Regular Price
$15.00
Sale Price
$15.00
Regular Price
$22.00
Unit Price
per 
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JOR JOR 1750 Rocco Bikini Color Gray
Regular Price
$15.00
Sale Price
$15.00
Regular Price
$22.00
Unit Price
per 
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JOR JOR 1719 Match Jockstrap Color Blue
Regular Price
$15.00
Sale Price
$15.00
Regular Price
$22.00
Unit Price
per 
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JOR JOR 1731 Dante Jockstrap Color Blue
Regular Price
$15.00
Sale Price
$15.00
Regular Price
$22.00
Unit Price
per 
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JOR JOR 1722 Romeo Jockstrap Color Black
Regular Price
$15.00
Sale Price
$15.00
Regular Price
$22.00
Unit Price
per 
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JOR JOR 1726 Orion Bikini Color Black
Regular Price
$15.00
Sale Price
$15.00
Regular Price
$22.00
Unit Price
per 
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JOR JOR 1727 Orion Jockstrap Color Black
Regular Price
$15.00
Sale Price
$15.00
Regular Price
$22.00
Unit Price
per 
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JOR JOR 1742 Riders Jockstrap Color Black
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 Black
Regular Price
$40.00
Sale Price
$40.00
Regular Price
$47.00
Unit Price
per 
Private Structure Private Structure EPUT4386 Pride 2PK Mid Waist Trunks Color Yellow-Blue
Regular Price
$59.00
Sale Price
$59.00
Regular Price
$0.00
Unit Price
per 
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Private Structure Private Structure EPUT4385 Pride 2PK Mid Waist Mini Briefs Color White-Green
Regular Price
$15.00
Sale Price
$15.00
Regular Price
$22.00
Unit Price
per 
Private Structure Private Structure PBUT4379 Bamboo Mid Waist Trunks Color Raven Black
Regular Price
$39.00
Sale Price
$39.00
Regular Price
$0.00
Unit Price
per 
Private Structure Private Structure PBUT4380 Bamboo Mid Waist Boxer Briefs Color Citadel Blue
Regular Price
$12.00
Sale Price
$12.00
Regular Price
$0.00
Unit Price
per 
Private Structure Private Structure PBUT4380 Bamboo Mid Waist Boxer Briefs Color Bright White
Regular Price
$12.00
Sale Price
$12.00
Regular Price
$0.00
Unit Price
per 
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Private Structure Private Structure PBUT4378 Bamboo Mid Waist Mini Briefs Color Bright Cyan
Regular Price
$24.00
Sale Price
$24.00
Regular Price
$37.00
Unit Price
per 
Private Structure Private Structure PMUX4182 Modality Trunks Color Black-Magenta
Regular Price
$35.00
Sale Price
$35.00
Regular Price
$0.00
Unit Price
per 
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ErgoWear ErgoWear EW1299 MAX XX Bikini Color Aqua
Regular Price
$15.00
Sale Price
$15.00
Regular Price
$22.00
Unit Price
per 
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Roger Smuth Roger Smuth RS080 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 RS084 Bikini Color Fuchsia
Regular Price
$39.00
Sale Price
$39.00
Regular Price
$60.00
Unit Price
per 
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Papi Papi UMPA107 2PK Microflex Performance Trunks Color Teal-Blue
Regular Price
$15.00
Sale Price
$15.00
Regular Price
$22.00
Unit Price
per 
Papi Papi UMPA108 2PK Microflex Performance Jockstrap Color Teal-Blue
Regular Price
$8.00
Sale Price
$8.00
Regular Price
$0.00
Unit Price
per 
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Papi Papi UMPA107 2PK Microflex Performance Trunks Color Gray-Red
Regular Price
$15.00
Sale Price
$15.00
Regular Price
$22.00
Unit Price
per 
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Papi Papi UMPA107 2PK Microflex Performance Trunks Color Gray-Blue
Regular Price
$15.00
Sale Price
$15.00
Regular Price
$22.00
Unit Price
per 
Papi Papi UMPA108 2PK Microflex Performance Jockstrap Color Blue-Red
Regular Price
$8.00
Sale Price
$8.00
Regular Price
$0.00
Unit Price
per 
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Papi Papi UMPA107 2PK Microflex Performance Trunks Color Blue-Printed
Regular Price
$15.00
Sale Price
$15.00
Regular Price
$22.00
Unit Price
per 
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Papi Papi UMPA108 2PK Microflex Performance Jockstrap Color Blue-Printed
Regular Price
$15.00
Sale Price
$15.00
Regular Price
$22.00
Unit Price
per 
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Papi Papi UMPA108 2PK Microflex Performance Jockstrap Color Blue-Gray
Regular Price
$15.00
Sale Price
$15.00
Regular Price
$22.00
Unit Price
per