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 33%
Papi Papi UMPA107 2PK Microflex Performance Trunks Color Blue-Black
¥1,600
¥1,600
¥2,400
Save 33%
Papi Papi UMPA108 2PK Microflex Performance Jockstrap Color Blue-Black
¥1,600
¥1,600
¥2,400
Save 33%
Papi Papi UMPA107 2PK Microflex Performance Trunks Color Black-Yellow
¥1,600
¥1,600
¥2,400
Papi Papi UMPA108 2PK Microflex Performance Jockstrap Color Black-Blue
¥800
¥800
¥0
Save 35%
CandyMan CandyMan 99684 Garter Briefs Color Black-Red
¥3,600
¥3,600
¥5,500
Save 33%
JOR JOR 1734 Speed Trunks Color Turquoise
¥1,600
¥1,600
¥2,400
Save 35%
JOR JOR 1735 Speed Briefs Color Turquoise
¥2,800
¥2,800
¥4,300
Save 35%
JOR JOR 1736 Speed Jockstrap Color Turquoise
¥2,800
¥2,800
¥4,300
Save 33%
JOR JOR 1752 Party Trunks Color Printed
¥1,600
¥1,600
¥2,400
JOR JOR 1734 Speed Trunks Color Orange
¥1,300
¥1,300
¥0
Save 35%
JOR JOR 1735 Speed Briefs Color Orange
¥2,800
¥2,800
¥4,300
Save 33%
JOR JOR 1736 Speed Jockstrap Color Orange
¥1,600
¥1,600
¥2,400
Save 35%
JOR JOR 1735 Speed Briefs Color Green
¥2,800
¥2,800
¥4,300
Save 35%
JOR JOR 1745 Monet Bikini Color Black
¥2,600
¥2,600
¥4,000
Save 36%
Xtremen Xtremen 91145 Printed Microfiber Bikini Color Rainbow Prism
¥1,800
¥1,800
¥2,800
Save 35%
Xtremen Xtremen 91147 Printed Microfiber Trunks Color Rainbow Fish
¥2,000
¥2,000
¥3,100
Save 16%
Xtremen Xtremen 91145 Printed Microfiber Bikini Color Mandala
¥2,600
¥2,600
¥3,100
Save 36%
CandyMan CandyMan 99692 Jock Briefs Color Black
¥1,800
¥1,800
¥2,800
Save 33%
Male Power Male Power SMS-011 Sheer Prints Seamless Short Color Splatter
¥1,600
¥1,600
¥2,400
Male Power Male Power 153-282 S-naked Pouch Short Color Silver-Black
¥1,300
¥1,300
¥0
Save 33%
Male Power Male Power SMS-011 Sheer Prints Seamless Short Color Optical
¥1,600
¥1,600
¥2,400
Save 33%
Male Power Male Power 125-284 Rude Awakening Cheeky Cutout Short Color Neon Orange
¥1,600
¥1,600
¥2,400
Save 35%
Male Power Male Power SMS-011 Sheer Prints Seamless Short Color Flamingo
¥2,000
¥2,000
¥3,100
Save 14%
Male Power Male Power 153-282 S-naked Pouch Short Color Black-Blue
¥3,200
¥3,200
¥3,700
Save 14%
Male Power Male Power 125-284 Rude Awakening Cheeky Cutout Short Color Black
¥3,200
¥3,200
¥3,700
Save 15%
Male Power Male Power 127-280 Sassy Lace Mini Short Sheer Pouch Color Black
¥2,900
¥2,900
¥3,400
Save 15%
Male Power Male Power 129-281 Easy Breezy Mini Short with Sleeve Color Black
¥2,900
¥2,900
¥3,400
Save 15%
Male Power Male Power 129-281 Easy Breezy Mini Short with Sleeve Color Aqua
¥2,900
¥2,900
¥3,400
SOLD OUT
Male Power Male Power 387-284 Rude Awakening Ring Jock Color Neon Orange
¥1,600
¥1,600
¥2,400
Save 13%
Male Power Male Power 334-282 S-naked Power Sock Color Black-Blue
¥2,700
¥2,700
¥3,100