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.

SOLD OUT
Unico Unico 1600050396 (1612020110696) Briefs Asfalto Microfiber Color Gray
$14.20
$14.20
$21.84
SOLD OUT
Unico Unico 1200080300 (1212010010300) Boxer Briefs Cristalino Microfiber Color White
$9.95
$9.95
$15.30
Unico Unico 1200100300 (1212010030300) Boxer Briefs Cristalino Microfiber Color White
$30.66
$30.66
$0.00
SALE
Unico Unico 1400090264 (1410010020264) Boxer Briefs Timon Microfiber Color White
$9.95
$9.95
$15.30
Unico Unico 9610020100 (9612010120100) Jockstrap Cristalino Cotton Color White
$18.70
$18.70
$0.00
SALE
Unico Unico 9610050100 (9612020110100) Briefs Cristalino Cotton Color White
$9.95
$9.95
$15.30
SOLD OUT
Unico Unico 1400050382 (1410020110582) Briefs Paralelo Cotton Color Blue
$14.20
$14.20
$21.84
SALE
Unico Unico 1901010021600 Boxer Briefs Imagine Color White
$9.95
$9.95
$15.30
SALE
Unico Unico 1902010013817 Trunks Talest Color Blue
$9.95
$9.95
$15.30
SALE
Unico Unico 1902020112863 Briefs Techne Color Black-White
$9.95
$9.95
$15.30
SALE
Unico Unico 1902010011390 Trunks Cognitivo Color Printed
$20.35
$20.35
$31.30
SALE
Unico Unico 1902010010946 Trunks Immersion Color Blue
$20.35
$20.35
$31.30
SALE
Unico Unico 1902020113299 Briefs Unexpected Color Black
$17.62
$17.62
$27.10
SOLD OUT
Unico Unico 1902010013100 Trunks Radical Color White
$9.95
$9.95
$15.30
SOLD OUT
Unico Unico 1902020112093 Briefs Americano Color Printed
$17.71
$17.71
$27.24
SALE
Unico Unico 1902020111732 Briefs San Francisco Color Printed
$9.95
$9.95
$15.30
SOLD OUT
Unico Unico 1902010011291 Trunks Melting Color Printed
$9.95
$9.95
$15.30
SALE
Unico Unico 1902010011600 Trunks Tool Color White
$9.95
$9.95
$15.30
SALE
Unico Unico 1902010023299 Boxer Briefs Unexpected Color Black
$9.95
$9.95
$15.30
SALE
Unico Unico 1902010023817 Boxer Briefs Talest Color Blue
$9.95
$9.95
$15.30
SALE
Unico Unico 1902010020465 Boxer Briefs Mind Art Color Black-White
$9.95
$9.95
$15.30
SALE
Unico Unico 1902010011400 Trunks Fusion Color White
$9.95
$9.95
$15.30
SALE
Unico Unico 1902010012863 Trunks Techne Color Black-White
$9.95
$9.95
$15.30
SALE
Unico Unico 1902010022552 Boxer Briefs Crossbreed Color Black-White
$9.95
$9.95
$15.30
SALE
Unico Unico 1902010023100 Boxer Briefs Radical Color White
$9.95
$9.95
$15.30
SALE
Unico Unico 1902010010887 Trunks Center Color Red
$9.95
$9.95
$15.30
SALE
Unico Unico 1902010021291 Boxer Briefs Melting Color Printed
$9.95
$9.95
$15.30
SALE
Unico Unico 1902010023063 Boxer Briefs Timeless Color Printed
$22.20
$22.20
$34.15
SALE
Unico Unico 1902010020699 Boxer Briefs National Color Black
$9.95
$9.95
$15.30
SOLD OUT
Unico Unico 1902010013299 Trunks Unexpected Color Black
$20.35
$20.35
$31.30