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
JOR JOR 1653 Rivera Trunks Color Printed
¥1,200
¥1,200
¥0
JOR JOR 1658 Jalisco Trunks Color Printed
¥1,200
¥1,200
¥0
Save 35%
JOR JOR 1613 Varsity Briefs Color Ochre
¥1,500
¥1,500
¥2,300
Save 35%
JOR JOR 1614 Varsity Jockstrap Color Ochre
¥1,500
¥1,500
¥2,300
Save 35%
JOR JOR 1628 Chill Bikini Color Ochre
¥1,500
¥1,500
¥2,300
Save 35%
JOR JOR 1614 Varsity Jockstrap Color Blue
¥1,500
¥1,500
¥2,300
Save 34%
JOR JOR 1609 JOR Jockstrap Color Black
¥2,500
¥2,500
¥3,800
Save 34%
JOR JOR 1628 Chill Bikini Color Blue
¥2,900
¥2,900
¥4,400
Save 35%
JOR JOR 1628 Chill Bikini Color Black
¥1,500
¥1,500
¥2,300
CandyMan CandyMan 99639 Open front Jockstrap Color Black
¥5,200
¥5,200
¥0
Save 34%
Clever Clever 0946 Simple Bikini Color Gray
¥2,500
¥2,500
¥3,800
Save 34%
Pikante Pikante PIK 1021 Rimini Briefs Color Black
¥2,100
¥2,100
¥3,200
Pikante Pikante PIK 1016 Sacer Bikini Color Red
¥4,200
¥4,200
¥0
Male Power Male Power 153-275 Modal Rib Pouch Short Color Black
¥1,200
¥1,200
¥0
Male Power Male Power 153-275 Modal Rib Pouch Short Color White
¥1,200
¥1,200
¥0
Male Power Male Power 596-266 PU Leather Leo Color Black-Red
¥5,900
¥5,900
Save 35%
ErgoWear ErgoWear EW1204 FEEL XV Briefs Color Stonewash
¥1,500
¥1,500
¥2,300
Save 34%
ErgoWear ErgoWear EW1196 FEEL XV Briefs Color Burgundy
¥3,500
¥3,500
¥5,300
ErgoWear ErgoWear EW1198 FEEL XV Boxer Briefs Color Burgundy
¥1,200
¥1,200
¥0
Unico Unico 22100100122 Muzo Trunks Color 99-Printed
¥1,200
¥1,200
¥0
SOLD OUT
Unico Unico 22100201102 Revivir Briefs Color 90-Printed
¥900
¥900
¥0
SOLD OUT
Unico Unico 22100201107 Escocia Briefs Color 90-Printed
¥1,500
¥1,500
¥2,300
Save 35%
Unico Unico 22110201110 Marroqui Briefs Color 63-Printed
¥1,500
¥1,500
¥2,300
Unico Unico 22110100114 Rugoso Trunks Color 5-Printed
¥1,200
¥1,200
¥0
Save 35%
Clever Clever 1030 Berna Briefs Color White
¥1,500
¥1,500
¥2,300
Save 34%
Clever Clever 1032 Lucerna Trunks Color White
¥2,900
¥2,900
¥4,400
Save 34%
Clever Clever 1027 Zurich Trunks Color Pink
¥3,100
¥3,100
¥4,700
SOLD OUT
Clever Clever 1050 Vaud Trunks Color Gray
¥1,200
¥1,200
¥0
SOLD OUT
Clever Clever 1044 Glaris Trunks Color Blue
¥1,200
¥1,200
¥0
Save 35%
Xtremen Xtremen 91130 Printed Jockstrap Color Green
¥1,500
¥1,500
¥2,300