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.

SOLD OUT
MaleBasics MaleBasics MBL107 MOB Classic Fetish Jock 3 Inches Jockstrap Color Red
$13.60
$13.60
$16.00
JOR JOR 1374 Otto Trunks Color Black
$8.00
$8.00
$0.00
Save 35%
JOR JOR 1391 Night Jockstrap Color Printed
$9.95
$9.95
$15.30
JOR JOR 1409 Cairo Trunks Color Printed
$8.00
$8.00
$0.00
SOLD OUT
JOR JOR 1367 Texas Jockstrap Color Black
$5.00
$5.00
$0.00
Save 35%
PPU PPU 2104 Open Back Trunks Color White
$21.98
$21.98
$33.81
Save 35%
PPU PPU 2104 Open Back Trunks Color Red
$9.95
$9.95
$15.30
Unico Unico 21070100103 Felt Trunks Color 63-White
$8.00
$8.00
$0.00
Save 35%
Unico Unico 21070301203 Felt Jockstrap Color 63-White
$9.95
$9.95
$15.30
Doreanse Doreanse 1703-PRN Pop Art Trunks Color Printed
$8.00
$8.00
$0.00
Doreanse Doreanse 1704-PRN Neon Sport Trunks Color Printed
$8.00
$8.00
$0.00
Doreanse Doreanse 1257-PRN Space Venom Briefs Color Printed
$18.64
$18.64
$0.00
SOLD OUT
Doreanse Doreanse 1801-PRN Jaguar Trunks Color Printed
$8.00
$8.00
$0.00
Save 35%
Clever Clever 0671-1 Bonite Briefs Color Orange
$19.88
$19.88
$30.59
Save 35%
Clever Clever 0536-1 Kroma Jockstrap Color Black
$9.95
$9.95
$15.30
Unico Unico 21110100103 Paper Ship Trunks Color 63-Navy
$8.00
$8.00
$0.00
Unico Unico 21100100103 Marine Trutles Trunks Color 63-Blue
$8.00
$8.00
$0.00
Save 35%
HAWAI HAWAI 42172 Printed Microfiber Trunks Color Military Green
$9.95
$9.95
$15.30
HAWAI HAWAI 42167 Printed Microfiber Jockstrap Color Dark Blue
$5.00
$5.00
$0.00
HAWAI HAWAI 42167 Printed Microfiber Jockstrap Color Military Green
$5.00
$5.00
$0.00
Save 35%
HAWAI HAWAI 42157 Solid Lace Briefs Color Cocoa
$18.04
$18.04
$27.76
Save 35%
HAWAI HAWAI 42192 Printed Microfiber Hip Briefs Color Dark Blue
$9.95
$9.95
$15.30
HAWAI HAWAI 42171 Solid Microfiber Trunks Color Amber
$8.00
$8.00
$0.00
Save 35%
HAWAI HAWAI 42182 Printed Microfiber Briefs Color Dark Blue
$15.46
$15.46
$23.78
HAWAI HAWAI 42172 Printed Microfiber Trunks Color Dark Blue
$8.00
$8.00
$0.00
Save 35%
Clever Clever 0559-1 Pride Briefs Color Grape
$14.16
$14.16
$21.79
Save 35%
Papi Papi UMPA048 2PK Microflex Brazilian Trunks Color Berry-Texture
$9.95
$9.95
$15.30
Save 35%
Papi Papi UMPA048 2PK Microflex Brazilian Trunks Color Teal-Leopard
$9.95
$9.95
$15.30
SOLD OUT
Papi Papi UMPA048 2PK Microflex Brazilian Trunks Color Teal-Graphic
$8.00
$8.00
$0.00
SOLD OUT
Papi Papi UMPA048 2PK Microflex Brazilian Trunks Color Red-Leopard
$9.95
$9.95
$15.30