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
Private Structure Private Structure BAUT4389 Athlete Trunks Color Red Falcon
$27.00
$27.00
$41.00
Private Structure Private Structure PBUT4379 Bamboo Trunks Color Olive
$42.00
$42.00
$0.00
Private Structure Private Structure BAUT4388 Athlete Mini Briefs Color Navy Ranger
$42.00
$42.00
$0.00
Private Structure Private Structure SCUX4070 Classic Trunks Color Baby Blush
$33.00
$33.00
$0.00
Private Structure Private Structure BAUT4389 Athlete Trunks Color Navy Ranger
$42.00
$42.00
$0.00
Private Structure Private Structure MOUX4103 Mo Lite Mid Waist Trunks Color White
$38.00
$38.00
Private Structure Private Structure SCUS4529 Classic Mid Waist Mini Briefs Color Red
$36.00
$36.00
Private Structure Private Structure SCUS4529 Classic Mid Waist Mini Briefs Color Purple
$36.00
$36.00
Private Structure Private Structure SCUS4530 Classic Mid Waist Trunks Color Orange
$38.00
$38.00
Private Structure Private Structure MOUX4104 Mo Lite Mid Waist Mini Briefs Color Navy
$38.00
$38.00
Private Structure Private Structure SCUS4530 Classic Mid Waist Trunks Color Navy
$38.00
$38.00
Private Structure Private Structure SCUS4529 Classic Mid Waist Mini Briefs Color Black
$36.00
$36.00
Private Structure Private Structure LCUT4417 Alpha Low Waist Harness Trunks Color Black
$61.00
$61.00
Private Structure Private Structure LCUT4419 Alpha Low Waist Garter Mini Color Black
$61.00
$61.00
Private Structure Private Structure LCUT4420 Alpha Low Waist Mesh Back Jockstrap Trunks Color Black
$61.00
$61.00
Private Structure Private Structure MOUX4103 Mo Lite Mid Waist Trunks Color Black
$38.00
$38.00
SALE
Hidden Hidden 955 Mesh Briefs Color Black
$33.00
$33.00
$39.00
SALE
Hidden Hidden 970 Open Trunks Color Black
$35.00
$35.00
$41.00
SALE
Hidden Hidden 957 Open Butt Trunk Color White
$39.00
$39.00
$46.00
SALE
Hidden Hidden 957 Open Butt Trunk Color Blue
$39.00
$39.00
$46.00
SALE
Hidden Hidden 952 Mesh Trunks Color Beige
$39.00
$39.00
$46.00
SALE
Hidden Hidden 961 Mesh Mini Trunks Color Beige
$37.00
$37.00
$43.00
SOLD OUT
Hidden Hidden 952 Mesh Trunks Color Black
$39.00
$39.00
$46.00
SALE
Hidden Hidden 968 Bikini-Trunks Color Black
$48.00
$48.00
$57.00
SALE
Hidden Hidden 965 Open Side Briefs Color Black
$32.00
$32.00
$38.00
SALE
Hidden Hidden 964 Mesh side Trunks Color Black
$41.00
$41.00
$48.00
SALE
Hidden Hidden 961 Mesh Mini Trunks Color Black
$37.00
$37.00
$43.00
SOLD OUT
Hidden Hidden 966 Mesh Bikini Color Black
$28.00
$28.00
$33.00
SALE
Hidden Hidden 959 Microfiber Bikini Color Black
$33.00
$33.00
$38.00
SALE
Hidden Hidden 952 Mesh Trunks Color Blue
$39.00
$39.00
$46.00