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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Roger Smuth Roger Smuth RS018 Jockstrap Color Burgundy
$20.63
$20.63
$31.74
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Roger Smuth Roger Smuth RS018 Jockstrap Color Blue
$9.95
$9.95
$15.30
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Roger Smuth Roger Smuth RS030 Briefs Color Gray
$9.95
$9.95
$15.30
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Roger Smuth Roger Smuth RS014 Jockstrap Color White
$9.95
$9.95
$15.30
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Roger Smuth Roger Smuth RS030 Briefs Color Black
$9.95
$9.95
$15.30
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Roger Smuth Roger Smuth RS013 Jockstrap Color Burgundy
$9.95
$9.95
$15.30
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Roger Smuth Roger Smuth RS005 Jockstrap Color Black
$35.44
$35.44
$41.69
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Roger Smuth Roger Smuth RS012 Jockstrap Color Burgundy
$9.95
$9.95
$15.30
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Roger Smuth Roger Smuth RS014 Jockstrap Color Burgundy
$9.95
$9.95
$15.30
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Roger Smuth Roger Smuth RS014 Jockstrap Color Blue
$9.95
$9.95
$15.30
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Roger Smuth Roger Smuth RS018-1 Jockstrap Color Burgundy
$29.83
$29.83
$35.09
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Unico Unico 22120100107 Intenso M22 Trunks Color 99-Black
$24.91
$24.91
$29.30
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Unico Unico 22110100203 Astros Boxer Briefs Color 90-Black
$26.69
$26.69
$31.40
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JOR JOR 1650 Guadalupe Jockstrap Color Printed
$9.95
$9.95
$15.30
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JOR JOR 1660 Jalisco Jockstrap Color Printed
$9.95
$9.95
$15.30
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Xtremen Xtremen 41313 Printed Briefs Color Royal
$8.99
$8.99
$13.83
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Xtremen Xtremen 41313 Printed Briefs Color Orange
$13.00
$13.00
$15.29
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Xtremen Xtremen 41313 Printed Briefs Color Green
$13.00
$13.00
$15.29
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JOR JOR 1726 Orion Bikini Color White
$9.95
$9.95
$15.30
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JOR JOR 1727 Orion Jockstrap Color White
$9.95
$9.95
$15.30
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JOR JOR 1731 Dante Jockstrap Color Green
$9.95
$9.95
$15.30
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Private Structure Private Structure PBUT4378 Bamboo Mid Waist Mini Briefs Color Bright Cyan
$16.88
$16.88
$25.97
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JOR JOR 1734 Speed Trunks Color Turquoise
$9.95
$9.95
$15.30
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Unico Unico 23050100119 Pompa Trunks Color 63-Coral
$26.69
$26.69
$31.40
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Unico Unico 23080100102 Escantillon Trunks Color 46-Blue
$26.69
$26.69
$31.40
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Unico Unico 23080100121 Filamento Trunks Color 46-Blue
$26.69
$26.69
$31.40
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Unico Unico 23080101107 Oleada Briefs Color 46-Blue
$20.32
$20.32
$31.26
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Unico Unico 23080101121 Filamento Briefs Color 46-Blue
$26.71
$26.71
$31.42
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Unico Unico 23080100114 Rayado Trunks Color 43-Blue
$20.31
$20.31
$31.24
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ErgoWear ErgoWear EW1412 FEEL XX Boxer Briefs Color Electric Blue
$28.38
$28.38
$43.66