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%
JOR JOR 1719 Match Jockstrap Color Blue
$15.00
$15.00
$23.00
Save 35%
JOR JOR 1731 Dante Jockstrap Color Blue
$15.00
$15.00
$23.00
Save 36%
JOR JOR 1727 Orion Jockstrap Color Black
$25.00
$25.00
$39.00
Private Structure Private Structure EPUT4386 Pride 2PK Mid Waist Trunks Color Yellow-Blue
$62.00
$62.00
$0.00
Private Structure Private Structure PBUT4379 Bamboo Mid Waist Trunks Color Raven Black
$41.00
$41.00
$0.00
Private Structure Private Structure PBUT4378 Bamboo Mid Waist Mini Briefs Color Bright Cyan
$39.00
$39.00
$0.00
Private Structure Private Structure PMUX4182 Modality Trunks Color Black-Magenta
$37.00
$37.00
$0.00
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Roger Smuth Roger Smuth RS084 Bikini Color Fuchsia
$41.00
$41.00
$63.00
Papi Papi UMPA107 2PK Microflex Performance Trunks Color Blue-Printed
$42.00
$42.00
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Papi Papi UMPA107 2PK Microflex Performance Trunks Color Black-Yellow
$28.00
$28.00
$42.00
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CandyMan CandyMan 99684 Garter Briefs Color Black-Red
$35.00
$35.00
$54.00
JOR JOR 1734 Speed Trunks Color Turquoise
$46.00
$46.00
$0.00
Male Power Male Power SMS-011 Sheer Prints Seamless Short Color Flamingo
$30.00
$30.00
Male Power Male Power 127-280 Sassy Lace Mini Short Sheer Pouch Color Black
$33.00
$33.00
$0.00
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Unico Unico 23050201101 Efige Briefs Color 63-Turquoise
$29.00
$29.00
$45.00
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Unico Unico 23050201104 Escaque Briefs Color 63-Green
$15.00
$15.00
$23.00
Unico Unico 23050100119 Pompa Trunks Color 63-Coral
$47.00
$47.00
$0.00
Xtremen Xtremen 91040-3 3PK Briefs Color Black-White-Gray
$50.00
$50.00
$0.00
Xtremen Xtremen 91040-3 3PK Briefs Color Black-White-Blue
$50.00
$50.00
$0.00
Xtremen Xtremen 91021-3 3PK Briefs Color Black-Gray-Blue
$50.00
$50.00
$0.00
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Xtremen Xtremen 91054X-3 3PK Jockstrap Color Petrol-Fuchsia-Petrol
$29.00
$29.00
$45.00
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Xtremen Xtremen 91057X-3 3PK Bikini Color Gray-Blue-Pink
$15.00
$15.00
$23.00
Private Structure Private Structure BAUT4388 Athlete Mini Briefs Color Red Falcon
$41.00
$41.00
$0.00
Private Structure Private Structure BAUT4388 Athlete Mini Briefs Color Navy Ranger
$41.00
$41.00
$0.00
Unico Unico 23080100102 Escantillon Trunks Color 46-Blue
$47.00
$47.00
$0.00
Unico Unico 23080100106 Atlantida Trunks Color 46-Blue
$47.00
$47.00
$0.00
Unico Unico 23080100121 Filamento Trunks Color 46-Blue
$47.00
$47.00
$0.00
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Unico Unico 23080101102 Escantillon Briefs Color 46-Blue
$31.00
$31.00
$47.00
Unico Unico 23080101107 Oleada Briefs Color 46-Blue
$47.00
$47.00
$0.00
Unico Unico 23080101121 Filamento Briefs Color 46-Blue
$47.00
$47.00
$0.00