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
HAWAI HAWAI 41963 Briefs Color Mahogany
Regular Price
$12.80
Sale Price
$12.80
Regular Price
$19.69
Unit Price
per 
HAWAI HAWAI 41961 Briefs Color Black
Regular Price
$17.49
Sale Price
$17.49
Regular Price
$0.00
Unit Price
per 
SALE
HAWAI HAWAI 41971 Boxer Briefs Color Mint Cream
Regular Price
$14.23
Sale Price
$14.23
Regular Price
$21.89
Unit Price
per 
SALE
HAWAI HAWAI 41971 Boxer Briefs Color Mahogany
Regular Price
$14.23
Sale Price
$14.23
Regular Price
$21.89
Unit Price
per 
SALE
HAWAI HAWAI 41972 Boxer Briefs Color Gray
Regular Price
$12.80
Sale Price
$12.80
Regular Price
$19.69
Unit Price
per 
SALE
HAWAI HAWAI 41976 Briefs Color Mahogany
Regular Price
$12.80
Sale Price
$12.80
Regular Price
$19.69
Unit Price
per 
SOLD OUT
HAWAI HAWAI 41961 Briefs Color White
Regular Price
$11.37
Sale Price
$11.37
Regular Price
$17.49
Unit Price
per 
SALE
HAWAI HAWAI 41852 Boxer Briefs Color White
Regular Price
$12.80
Sale Price
$12.80
Regular Price
$19.69
Unit Price
per 
SALE
HAWAI HAWAI 41953 Boxer Briefs Color Mahogany
Regular Price
$15.66
Sale Price
$15.66
Regular Price
$24.09
Unit Price
per 
SALE
HAWAI HAWAI 41976 Briefs Color Mint Cream
Regular Price
$12.80
Sale Price
$12.80
Regular Price
$19.69
Unit Price
per 
SALE
HAWAI HAWAI 42023 Briefs Color Blue
Regular Price
$14.23
Sale Price
$14.23
Regular Price
$21.89
Unit Price
per 
HAWAI HAWAI 42026 Briefs Color Terracotta
Regular Price
$21.89
Sale Price
$21.89
Regular Price
$0.00
Unit Price
per 
HAWAI HAWAI 42024 Briefs Color Terracotta
Regular Price
$21.89
Sale Price
$21.89
Regular Price
$0.00
Unit Price
per 
HAWAI HAWAI 42023 Briefs Color Terracotta
Regular Price
$21.89
Sale Price
$21.89
Regular Price
$0.00
Unit Price
per 
HAWAI HAWAI 42026 Briefs Color Blue
Regular Price
$21.89
Sale Price
$21.89
Regular Price
$0.00
Unit Price
per 
SALE
HAWAI HAWAI 41963 Briefs Color Terracotta
Regular Price
$12.80
Sale Price
$12.80
Regular Price
$19.69
Unit Price
per 
HAWAI HAWAI 41946 Solid Athletic Jockstrap Color Terracotta
Regular Price
$17.49
Sale Price
$17.49
Regular Price
$0.00
Unit Price
per 
SALE
HAWAI HAWAI 41961 Briefs Color Terracotta
Regular Price
$11.37
Sale Price
$11.37
Regular Price
$17.49
Unit Price
per 
HAWAI HAWAI 42024 Briefs Color Green
Regular Price
$21.89
Sale Price
$21.89
Regular Price
$0.00
Unit Price
per 
HAWAI HAWAI 42052 Spots Athletic Jockstrap Color Red
Regular Price
$17.49
Sale Price
$17.49
Regular Price
$0.00
Unit Price
per 
HAWAI HAWAI 41946 Solid Athletic Jockstrap Color Green
Regular Price
$17.49
Sale Price
$17.49
Regular Price
$0.00
Unit Price
per 
HAWAI HAWAI 41946 Solid Athletic Jockstrap Color Royal Blue
Regular Price
$17.49
Sale Price
$17.49
Regular Price
$0.00
Unit Price
per 
HAWAI HAWAI 42050 Colorful Hip Briefs Color Blue
Regular Price
$19.69
Sale Price
$19.69
Regular Price
$0.00
Unit Price
per 
HAWAI HAWAI 42052 Animal Print Athletic Jockstrap Color Black
Regular Price
$17.49
Sale Price
$17.49
Regular Price
$0.00
Unit Price
per 
HAWAI HAWAI 42050 Illustration Hip Briefs Color Vanilla
Regular Price
$19.69
Sale Price
$19.69
Regular Price
$0.00
Unit Price
per 
HAWAI HAWAI 42052 Beige Athletic Jockstrap Color Ivory
Regular Price
$17.49
Sale Price
$17.49
Regular Price
$0.00
Unit Price
per 
HAWAI HAWAI 42050 Lines Hip Briefs Color White
Regular Price
$19.69
Sale Price
$19.69
Regular Price
$0.00
Unit Price
per 
HAWAI HAWAI 42050 Colorful Hip Briefs Color Magenta
Regular Price
$19.69
Sale Price
$19.69
Regular Price
$0.00
Unit Price
per 
HAWAI HAWAI 42050 Spots Hip Briefs Color Red
Regular Price
$19.69
Sale Price
$19.69
Regular Price
$0.00
Unit Price
per 
HAWAI HAWAI 41963 Solid Hip Briefs Color Royal Blue
Regular Price
$19.69
Sale Price
$19.69
Regular Price
$0.00
Unit Price
per