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.

Hidden Hidden 965 Open Side Briefs Color Red
Regular Price
$24.42
Sale Price
$24.42
Regular Price
$0.00
Unit Price
per 
Hidden Hidden 959 Microfiber Bikini Color Gray
Regular Price
$24.88
Sale Price
$24.88
Regular Price
$0.00
Unit Price
per 
Hidden Hidden 958 Open Side Briefs Color Gray
Regular Price
$26.77
Sale Price
$26.77
Regular Price
$0.00
Unit Price
per 
Hidden Hidden 971 Jockstrap-Thong Color Red
Regular Price
$24.31
Sale Price
$24.31
Regular Price
$0.00
Unit Price
per 
Hidden Hidden 952 Mesh Trunks Color White
Regular Price
$29.68
Sale Price
$29.68
Regular Price
$0.00
Unit Price
per 
Hidden Hidden 956 Mesh Bikini Color White
Regular Price
$29.00
Sale Price
$29.00
Regular Price
$0.00
Unit Price
per 
Hidden Hidden 971 Jockstrap-Thong Color White
Regular Price
$24.31
Sale Price
$24.31
Regular Price
$0.00
Unit Price
per 
Hidden Hidden 953 Garterbelt Briefs Color White
Regular Price
$38.21
Sale Price
$38.21
Regular Price
$0.00
Unit Price
per 
Hidden Hidden 966 Mesh Bikini Color White
Regular Price
$21.16
Sale Price
$21.16
Regular Price
$0.00
Unit Price
per 
Hidden Hidden 961 Mesh Mini Trunks Color White
Regular Price
$27.81
Sale Price
$27.81
Regular Price
$0.00
Unit Price
per 
Hidden Hidden 958 Open Side Briefs Color White
Regular Price
$26.77
Sale Price
$26.77
Regular Price
$0.00
Unit Price
per 
Hidden Hidden 968 Bikini-Trunks Color White
Regular Price
$37.00
Sale Price
$37.00
Regular Price
$0.00
Unit Price
per 
Hidden Hidden 964 Mesh side Trunks Color Jade
Regular Price
$31.35
Sale Price
$31.35
Regular Price
$0.00
Unit Price
per 
Hidden Hidden 966 Mesh Bikini Color Jade
Regular Price
$21.16
Sale Price
$21.16
Regular Price
$0.00
Unit Price
per 
Hidden Hidden 970 Open Trunks Color Blue
Regular Price
$26.77
Sale Price
$26.77
Regular Price
$0.00
Unit Price
per 
Hidden Hidden 962 Jockstrap-Bikini Color Jade
Regular Price
$30.71
Sale Price
$30.71
Regular Price
$0.00
Unit Price
per 
Hidden Hidden 970 Open Trunks Color White
Regular Price
$26.77
Sale Price
$26.77
Regular Price
$0.00
Unit Price
per 
Hidden Hidden 971 Jockstrap-Thong Color Black
Regular Price
$24.31
Sale Price
$24.31
Regular Price
$0.00
Unit Price
per 
Hidden Hidden 962 Jockstrap-Bikini Color Black
Regular Price
$30.71
Sale Price
$30.71
Regular Price
$0.00
Unit Price
per 
SOLD OUT
Arrecife Arrecife 0905 Tabasco Swim Trunks Color Printed
Regular Price
$52.05
Sale Price
$52.05
Regular Price
$80.08
Unit Price
per 
SOLD OUT
Arrecife Arrecife 0908 Cactus Swim Trunks Color Printed
Regular Price
$50.94
Sale Price
$50.94
Regular Price
$78.36
Unit Price
per 
SOLD OUT
Arrecife Arrecife 0910 Calipso Swim Trunks Color Printed
Regular Price
$50.94
Sale Price
$50.94
Regular Price
$78.36
Unit Price
per 
SOLD OUT
Arrecife Arrecife 0914 Elephant Swim Trunks Color Printed
Regular Price
$50.94
Sale Price
$50.94
Regular Price
$78.36
Unit Price
per 
Magic Silk Magic Silk 6606 Silk Briefs Color Black
Regular Price
$31.72
Sale Price
$31.72
Regular Price
$0.00
Unit Price
per 
Magic Silk Magic Silk 6606 Silk Briefs Color Red
Regular Price
$31.72
Sale Price
$31.72
Regular Price
$0.00
Unit Price
per 
Magic Silk Magic Silk 6606 Silk Briefs Color Cobalt
Regular Price
$31.72
Sale Price
$31.72
Regular Price
$0.00
Unit Price
per 
SOLD OUT
PetitQ PetitQ PQ170701 Palaja Boxer Briefs Color Black
Regular Price
$24.76
Sale Price
$24.76
Regular Price
$29.13
Unit Price
per 
SALE
DownUnder Apparel Basic Boxer Briefs In Black, Navy Blue and White.  Menswear. For The Boys!
DownUnder Apparel Classic Boxer Briefs Navy
Regular Price
$9.99
Sale Price
$9.99
Regular Price
$25.00
Unit Price
per 
SALE
DownUnder Apparel Basic Boxer Briefs In Black, Navy Blue and White.  Menswear. For The Boys!
DownUnder Apparel Classic Boxer Briefs Black
Regular Price
$9.99
Sale Price
$9.99
Regular Price
$25.00
Unit Price
per 
SALE
DownUnder Apparel Basic Boxer Briefs In Black, Navy Blue and White.  Menswear. For The Boys!
DownUnder Apparel Classic Boxer Briefs White
Regular Price
$9.99
Sale Price
$9.99
Regular Price
$25.00
Unit Price
per