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 35%
HAWAI HAWAI 42141 Microfiber Briefs Color Light Blue
$15.00
$15.00
$23.00
SOLD OUT
Xtremen Xtremen 91107 Protuder Jockstrap Color Navy
$15.00
$15.00
$23.00
SOLD OUT
Xtremen Xtremen 91108 C-Ring Harness Color Red
$34.00
$34.00
$52.00
Save 35%
Unico Unico 22120100208 Asfalto M22 Boxer Briefs Color 96-Dark Gray
$30.00
$30.00
$46.00
Save 16%
Unico Unico 22110100103 Astros Trunks Color 90-Black
$36.00
$36.00
$43.00
Save 15%
Unico Unico 22100100203 Senda Boxer Briefs Color 82-Dark Blue
$39.00
$39.00
$46.00
Save 16%
Unico Unico 22100100103 Senda Trunks Color 82-Dark Blue
$36.00
$36.00
$43.00
Save 35%
Unico Unico 22100201103 Senda Briefs Color 82-Dark Blue
$15.00
$15.00
$23.00
Save 13%
Clever Clever 0872 Latin Trunks Color Black
$33.00
$33.00
$38.00
Save 34%
Xtremen Xtremen 91111 Super Shine Jockstrap Color Candy Pink
$27.00
$27.00
$41.00
Save 35%
ErgoWear ErgoWear EW1201 FEEL XV Trunks Color White
$37.00
$37.00
$57.00
Save 14%
ErgoWear ErgoWear EW1197 FEEL XV Trunks Color Burgundy
$49.00
$49.00
$57.00
Save 35%
Unico Unico 22100100109 Camupixel Trunks Color 99-Printed
$15.00
$15.00
$23.00
Save 16%
Unico Unico 22100100102 Revivir Trunks Color 90-Printed
$37.00
$37.00
$44.00
Save 14%
Unico Unico 22100100107 Escocia Trunks Color 90-Printed
$37.00
$37.00
$43.00
Save 16%
Unico Unico 22100100120 Granulado Trunks Color 90-Printed
$37.00
$37.00
$44.00
Save 35%
Unico Unico 22100201120 Granulado Briefs Color 90-Printed
$15.00
$15.00
$23.00
Save 35%
Unico Unico 22100100110 Citrico Trunks Color 77-Printed
$15.00
$15.00
$23.00
Save 35%
Unico Unico 22100201123 Tintado Briefs Color 63-Printed
$28.00
$28.00
$43.00
Save 16%
ErgoWear ErgoWear EW1217 MAX Trunks Color Burgundy
$43.00
$43.00
$51.00
Save 35%
Roger Smuth Roger Smuth RS077 Thongs Color White
$36.00
$36.00
$55.00
Save 15%
Roger Smuth Roger Smuth RS077 Thongs Color Burgundy
$52.00
$52.00
$61.00
Save 35%
Roger Smuth Roger Smuth RS072 Trunks Color Black
$15.00
$15.00
$23.00
Save 15%
ErgoWear ErgoWear EW1166 X4D Bikini Color White
$46.00
$46.00
$54.00
Save 16%
ErgoWear ErgoWear EW1167 X4D Trunks Color White
$49.00
$49.00
$58.00
Save 15%
ErgoWear ErgoWear EW1162 X4D Bikini Color Stonewash
$46.00
$46.00
$54.00
Save 16%
ErgoWear ErgoWear EW1163 X4D Trunks Color Stonewash
$49.00
$49.00
$58.00
Save 15%
ErgoWear ErgoWear EW1158 X4D Bikini Color Burgundy
$46.00
$46.00
$54.00
Save 16%
ErgoWear ErgoWear EW1159 X4D Trunks Color Burgundy
$49.00
$49.00
$58.00
Save 17%
HAWAI HAWAI 42152 Solid Lace Briefs Color Fuchsia
$35.00
$35.00
$42.00