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.

Save 32%
JOR JOR 1838 Daily Jockstrap Color Blue
Regular Price
$15.00
Sale Price
$15.00
Regular Price
$22.00
Unit Price
per 
JOR JOR 1845 Nitro Harness Color Blue
Regular Price
$41.00
Sale Price
$41.00
Regular Price
Unit Price
per 
Save 35%
JOR JOR 1841 Nitro Bikini Color Black
Regular Price
$26.00
Sale Price
$26.00
Regular Price
$40.00
Unit Price
per 
Save 35%
JOR JOR 1842 Nitro Jockstrap Color Black
Regular Price
$26.00
Sale Price
$26.00
Regular Price
$40.00
Unit Price
per 
Save 35%
JOR JOR 1846 Ares Bikini Color Black
Regular Price
$24.00
Sale Price
$24.00
Regular Price
$37.00
Unit Price
per 
Save 32%
JOR JOR 1847 Ares Jockstrap Color Black
Regular Price
$15.00
Sale Price
$15.00
Regular Price
$22.00
Unit Price
per 
Save 16%
JOR JOR 1934 Dante Bikini Color White
Regular Price
$32.00
Sale Price
$32.00
Regular Price
$38.00
Unit Price
per 
Save 32%
JOR JOR 1966 Dakar Bikini Color White
Regular Price
$15.00
Sale Price
$15.00
Regular Price
$22.00
Unit Price
per 
Save 32%
JOR JOR 1933 Garoto Bikini Color Red
Regular Price
$15.00
Sale Price
$15.00
Regular Price
$22.00
Unit Price
per 
Save 35%
JOR JOR 1944 College Briefs Color Red
Regular Price
$26.00
Sale Price
$26.00
Regular Price
$40.00
Unit Price
per 
Save 35%
JOR JOR 1945 College Bikini Color Red
Regular Price
$24.00
Sale Price
$24.00
Regular Price
$37.00
Unit Price
per 
Save 16%
JOR JOR 1934 Dante Bikini Color Mint Green
Regular Price
$32.00
Sale Price
$32.00
Regular Price
$38.00
Unit Price
per 
Save 35%
JOR JOR 1933 Garoto Bikini Color Green
Regular Price
$24.00
Sale Price
$24.00
Regular Price
$37.00
Unit Price
per 
Save 35%
JOR JOR 1937 Kioto Bikini Color Green
Regular Price
$22.00
Sale Price
$22.00
Regular Price
$34.00
Unit Price
per 
Save 35%
JOR JOR 1940 Athletic Trunks Color Green
Regular Price
$24.00
Sale Price
$24.00
Regular Price
$37.00
Unit Price
per 
Save 32%
JOR JOR 1941 Athletic Briefs Color Green
Regular Price
$15.00
Sale Price
$15.00
Regular Price
$22.00
Unit Price
per 
Save 32%
JOR JOR 1943 College Trunks Color Green
Regular Price
$15.00
Sale Price
$15.00
Regular Price
$22.00
Unit Price
per 
Save 32%
JOR JOR 1944 College Briefs Color Green
Regular Price
$15.00
Sale Price
$15.00
Regular Price
$22.00
Unit Price
per 
Save 32%
JOR JOR 1945 College Bikini Color Green
Regular Price
$15.00
Sale Price
$15.00
Regular Price
$22.00
Unit Price
per 
Save 32%
JOR JOR 1946 College Jockstrap Color Green
Regular Price
$15.00
Sale Price
$15.00
Regular Price
$22.00
Unit Price
per 
Save 32%
JOR JOR 1950 Element Trunks Color Green
Regular Price
$15.00
Sale Price
$15.00
Regular Price
$22.00
Unit Price
per 
Save 35%
JOR JOR 1951 Element Boxer Briefs Color Green
Regular Price
$26.00
Sale Price
$26.00
Regular Price
$40.00
Unit Price
per 
Save 32%
JOR JOR 1952 Element Briefs Color Green
Regular Price
$15.00
Sale Price
$15.00
Regular Price
$22.00
Unit Price
per 
Save 35%
JOR JOR 1953 Element Bikini Color Green
Regular Price
$24.00
Sale Price
$24.00
Regular Price
$37.00
Unit Price
per 
Save 32%
JOR JOR 1937 Kioto Bikini Color Gray
Regular Price
$15.00
Sale Price
$15.00
Regular Price
$22.00
Unit Price
per 
Save 16%
JOR JOR 1934 Dante Bikini Color Candy Pink
Regular Price
$32.00
Sale Price
$32.00
Regular Price
$38.00
Unit Price
per 
Save 32%
JOR JOR 1933 Garoto Bikini Color Blue
Regular Price
$15.00
Sale Price
$15.00
Regular Price
$22.00
Unit Price
per 
Save 35%
JOR JOR 1940 Athletic Trunks Color Blue
Regular Price
$24.00
Sale Price
$24.00
Regular Price
$37.00
Unit Price
per 
Save 15%
JOR JOR 1941 Athletic Briefs Color Blue
Regular Price
$35.00
Sale Price
$35.00
Regular Price
$41.00
Unit Price
per 
Save 35%
JOR JOR 1951 Element Boxer Briefs Color Blue
Regular Price
$26.00
Sale Price
$26.00
Regular Price
$40.00
Unit Price
per