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.

SALE
Clever Clever 5317 Sweetness Piping Briefs Color White
Regular Price
$9.95
Sale Price
$9.95
Regular Price
$15.30
Unit Price
per 
Clever Clever 2354 Galileo Boxer Briefs Color Red
Regular Price
$8.00
Sale Price
$8.00
Regular Price
$0.00
Unit Price
per 
Clever Clever 5385 Artemisia Briefs Color Green
Regular Price
$6.00
Sale Price
$6.00
Regular Price
$0.00
Unit Price
per 
Clever Clever 5373 Australian Latin Briefs Color Black
Regular Price
$26.29
Sale Price
$26.29
Regular Price
$0.00
Unit Price
per 
Clever Clever 5373 Australian Latin Briefs Color White
Regular Price
$26.29
Sale Price
$26.29
Regular Price
$0.00
Unit Price
per 
Clever Clever 2394 Attractive Boxer Briefs Color Brown
Regular Price
$8.00
Sale Price
$8.00
Regular Price
$0.00
Unit Price
per 
Clever Clever 2373 Australian Latin Boxer Briefs Color White
Regular Price
$26.29
Sale Price
$26.29
Regular Price
$0.00
Unit Price
per 
Clever Clever 2390 Refined Boxer Briefs Color Red
Regular Price
$8.00
Sale Price
$8.00
Regular Price
$0.00
Unit Price
per 
SALE
Clever Clever 5402 Senses Briefs Color White
Regular Price
$9.95
Sale Price
$9.95
Regular Price
$15.30
Unit Price
per 
ErgoWear ErgoWear EW0623 FEEL XV Boxer Briefs Color Blue
Regular Price
$8.00
Sale Price
$8.00
Regular Price
$0.00
Unit Price
per 
ErgoWear ErgoWear EW0622 FEEL XV Boxer Briefs Color White
Regular Price
$8.00
Sale Price
$8.00
Regular Price
$0.00
Unit Price
per 
ErgoWear ErgoWear EW0621 FEEL XV Boxer Briefs Color White
Regular Price
$8.00
Sale Price
$8.00
Regular Price
$0.00
Unit Price
per 
ErgoWear ErgoWear EW0624 FEEL XV Boxer Briefs Color Gray
Regular Price
$8.00
Sale Price
$8.00
Regular Price
$0.00
Unit Price
per 
ErgoWear ErgoWear EW0632 FEEL XV Briefs Color White
Regular Price
$7.00
Sale Price
$7.00
Regular Price
$0.00
Unit Price
per 
SOLD OUT
ErgoWear ErgoWear EW0711 FEEL Modal Long Boxer Briefs Color Black
Regular Price
$8.00
Sale Price
$8.00
Regular Price
$0.00
Unit Price
per 
ErgoWear ErgoWear EW0848 FEEL XV Soho Trunks Color Black
Regular Price
$8.00
Sale Price
$8.00
Regular Price
$0.00
Unit Price
per 
JOR JOR 0713 Cooper Boxer Briefs Color Beige
Regular Price
$8.00
Sale Price
$8.00
Regular Price
$0.00
Unit Price
per 
JOR JOR 0714 Cooper Briefs Color Green
Regular Price
$6.00
Sale Price
$6.00
Regular Price
$0.00
Unit Price
per 
SOLD OUT
Clever Clever 5016 Pertinax Piping Briefs Color White
Regular Price
$6.00
Sale Price
$6.00
Regular Price
$0.00
Unit Price
per 
Clever Clever 5412 Antonio Classic Briefs Color Beige
Regular Price
$6.00
Sale Price
$6.00
Regular Price
$0.00
Unit Price
per 
Clever Clever 2412 Antonio Boxer Briefs Color Beige
Regular Price
$8.00
Sale Price
$8.00
Regular Price
$0.00
Unit Price
per 
Clever Clever 3023 Prestige Jockstrap Color White
Regular Price
$5.00
Sale Price
$5.00
Regular Price
$0.00
Unit Price
per 
JOR JOR 0868 Bengal Boxer Briefs Color Printed
Regular Price
$8.00
Sale Price
$8.00
Regular Price
$0.00
Unit Price
per 
JOR JOR 0869 Bengal Briefs Color Printed
Regular Price
$6.00
Sale Price
$6.00
Regular Price
$0.00
Unit Price
per 
SOLD OUT
JOR JOR 0846 Tokio Briefs Color Gray
Regular Price
$6.00
Sale Price
$6.00
Regular Price
$0.00
Unit Price
per 
JOR JOR 0822 Stereo Boxer Briefs Color White
Regular Price
$8.00
Sale Price
$8.00
Regular Price
$0.00
Unit Price
per 
JOR JOR 0828 Pop Briefs Color Blue
Regular Price
$6.00
Sale Price
$6.00
Regular Price
$0.00
Unit Price
per 
JOR JOR 0845 Tokio Boxer Briefs Color White
Regular Price
$8.00
Sale Price
$8.00
Regular Price
$0.00
Unit Price
per 
JOR JOR 0817 Neon Boxer Briefs Color Black
Regular Price
$8.00
Sale Price
$8.00
Regular Price
$0.00
Unit Price
per 
Clever Clever 2439 Kalderash Boxer Briefs Color Black
Regular Price
$8.00
Sale Price
$8.00
Regular Price
$0.00
Unit Price
per