Underwear...with an Attitude.

Men's Underwear and Sleepwear

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.

SALE

Unico

Unico 1801020111287 Briefs Holy Circle Color Red

$14.61
$22.48
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Unico

Unico 1902010012266 Trunks Alquimia Color Blue

$26.74
$31.46
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Unico

Unico 1902020112863 Briefs Techne Color Black-White

$23.15
$27.24
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Unico

Unico 1902010013817 Trunks Talest Color Blue

$26.74
$31.46
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Unico

Unico 1902010011390 Trunks Cognitivo Color Printed

$26.74
$31.46
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Unico

Unico 1902020110352 Briefs Realism Color Black-White

$23.15
$27.24
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Unico

Unico 1902010010946 Trunks Immersion Color Blue

$26.74
$31.46
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Unico

Unico 1902020113299 Briefs Unexpected Color Black

$23.15
$27.24
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Unico

Unico 1902010013100 Trunks Radical Color White

$26.74
$31.46
SALE

Unico

Unico 1902010010352 Trunks Realism Color Black-White

$26.74
$31.46
SALE

Unico

Unico 1902010012093 Trunks Americano Color Printed

$26.74
$31.46
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Unico

Unico 1902010012391 Trunks Theory Color Black-White

$26.74
$31.46
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Unico

Unico 1902020112093 Briefs Americano Color Printed

$23.15
$27.24
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Unico

Unico 1902030123063 Jockstrap Timeless Color Printed

$17.20
$20.24
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Unico

Unico 1902020111732 Briefs San Francisco Color Printed

$23.15
$27.24
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Unico

Unico 1902010011291 Trunks Melting Color Printed

$26.74
$31.46
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Unico

Unico 1902010011600 Trunks Tool Color White

$26.74
$31.46
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Unico

Unico 1902010023299 Boxer Briefs Unexpected Color Black

$29.17
$34.32
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Unico

Unico 1902030121032 Jockstrap Emerging Color Blue

$17.20
$20.24
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Unico

Unico 1902020111032 Briefs Emerging Color Blue

$23.15
$27.24
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Unico

Unico 1902010012112 Trunks Martial Color Blue

$26.74
$31.46
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Unico

Unico 1902010023817 Boxer Briefs Talest Color Blue

$29.17
$34.32
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Unico

Unico 1902010010465 Trunks Mind Art Color Black-White

$26.74
$31.46
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Unico

Unico 1902010020465 Boxer Briefs Mind Art Color Black-White

$29.17
$34.32
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Unico

Unico 1902010011032 Trunks Emerging Color Blue

$26.74
$31.46
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Unico

Unico 1902010011400 Trunks Fusion Color White

$26.74
$31.46
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Unico

Unico 1902010012863 Trunks Techne Color Black-White

$26.74
$31.46
SALE

Unico

Unico 1902010030946 Boxer Briefs Immersion Color Blue

$30.86
$36.30
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Unico

Unico 1902010010699 Trunks National Color Black

$26.74
$31.46
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Unico

Unico 1902010022552 Boxer Briefs Crossbreed Color Black-White

$29.17
$34.32
SALE

Unico

Unico 1902010012552 Trunks Crossbreed Color Black-White

$26.74
$31.46
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Unico

Unico 1902010023100 Boxer Briefs Radical Color White

$29.17
$34.32
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Unico

Unico 1902010010887 Trunks Center Color Red

$26.74
$31.46
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Unico

Unico 1902020112552 Briefs Crossbreed Color Black-White

$23.15
$27.24
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Unico

Unico 1902020112112 Briefs Martial Color Blue

$23.15
$27.24
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Unico

Unico 1902010021291 Boxer Briefs Melting Color Printed

$29.17
$34.32
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Unico

Unico 1902030121390 Jockstrap Cognitivo Color Printed

$17.20
$20.24
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Unico

Unico 1902020110282 Briefs Hornpipe Color Blue

$23.15
$27.24
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Unico

Unico 1902010023063 Boxer Briefs Timeless Color Printed

$29.17
$34.32
SALE

Unico

Unico 1902020111390 Briefs Cognitivo Color Printed

$23.15
$27.24
SALE

Unico

Unico 1902010020699 Boxer Briefs National Color Black

$29.17
$34.32
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Unico

Unico 1902010013332 Trunks St Martins Color Printed

$26.74
$31.46
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Unico

Unico 1902010012931 Trunks Culturize Color Blue

$26.74
$31.46
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Unico

Unico 1902010010282 Trunks Hornpipe Color Blue

$26.74
$31.46
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Unico

Unico 1902010011993 Trunks Fintech Color Printed

$26.74
$31.46
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Unico

Unico 1902020113063 Briefs Timeless Color Printed

$23.15
$27.24
SALE

Unico

Unico 1902010013299 Trunks Unexpected Color Black

$26.74
$31.46
SALE

Unico

Unico 1902010022863 Boxer Briefs Techne Color Black-White

$29.17
$34.32

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