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%
Xtremen Xtremen 91148 Printed Microfiber Jockstrap Color Rainbow Prism
¥1,500
¥1,500
¥2,300
Save 13%
Xtremen Xtremen 91145 Printed Microfiber Bikini Color Rainbow Fish
¥2,600
¥2,600
¥3,000
Save 33%
Xtremen Xtremen 91148 Printed Microfiber Jockstrap Color Rainbow Fish
¥2,000
¥2,000
¥3,000
Save 15%
Xtremen Xtremen 91147 Printed Microfiber Trunks Color Mandala
¥2,800
¥2,800
¥3,300
Save 33%
Xtremen Xtremen 91148 Printed Microfiber Jockstrap Color Mandala
¥2,000
¥2,000
¥3,000
Save 33%
Xtremen Xtremen 91147 Printed Microfiber Trunks Color Disco Zebra
¥2,000
¥2,000
¥3,000
Save 33%
Xtremen Xtremen 91148 Printed Microfiber Jockstrap Color Disco Zebra
¥2,000
¥2,000
¥3,000
Save 15%
Unico Unico 23050100101 Efige Trunks Color 63-Turquoise
¥4,100
¥4,100
¥4,800
Save 15%
Unico Unico 23050100116 Espectaculo Trunks Color 63-Turquoise
¥4,100
¥4,100
¥4,800
Save 15%
Unico Unico 23050100104 Escaque Trunks Color 63-Green
¥4,100
¥4,100
¥4,800
Save 33%
Clever Clever 1237 Cult Briefs Color White
¥2,800
¥2,800
¥4,200
Save 35%
Clever Clever 1204 Angel Trunks Color Violet
¥1,500
¥1,500
¥2,300
Save 15%
Clever Clever 1205 Angel Briefs Color Violet
¥4,000
¥4,000
¥4,700
Save 36%
Clever Clever 1206 Angel Jockstrap Color Violet
¥2,900
¥2,900
¥4,500
Save 33%
Clever Clever 1204 Angel Trunks Color Blue
¥2,800
¥2,800
¥4,200
Save 15%
Clever Clever 1205 Angel Briefs Color Blue
¥4,000
¥4,000
¥4,700
Save 36%
Clever Clever 1206 Angel Jockstrap Color Blue
¥2,900
¥2,900
¥4,500
Save 35%
Clever Clever 1224 Inferno Trunks Color Black
¥3,100
¥3,100
¥4,800
Save 15%
Clever Clever 1226 Demon Trunks Color Black
¥4,000
¥4,000
¥4,700
Save 14%
Clever Clever 1227 Demon Bikini Color Black
¥3,700
¥3,700
¥4,300
Save 33%
Clever Clever 1228 Demon Jockstrap Color Black
¥2,800
¥2,800
¥4,200
Save 33%
Clever Clever 1237 Cult Briefs Color Black
¥2,800
¥2,800
¥4,200
Save 16%
Clever Clever 1210 Elysium Trunks Color Beige
¥4,200
¥4,200
¥5,000
Save 35%
Pikante Pikante PIK 1267 Ultra Crop Top Color Yellow
¥1,500
¥1,500
¥2,300
Save 36%
Pikante Pikante PIK 1273 Sonar Trunks Color Red
¥2,900
¥2,900
¥4,500
Save 15%
Pikante Pikante PIK 1277 Sonar Briefs Color Red
¥4,500
¥4,500
¥5,300
Save 33%
Pikante Pikante PIK 1278 Sonar Ball Lifter Color Red
¥2,600
¥2,600
¥3,900
Save 33%
Pikante Pikante PIK 1280 Sonar Jockstrap Color Red
¥2,800
¥2,800
¥4,200
Save 35%
Pikante Pikante PIK 1281 Sonar Bikini Color Red
¥3,700
¥3,700
¥5,700
Save 15%
Pikante Pikante PIK 1271 Sonar Athletic Pants Color Orange
¥6,200
¥6,200
¥7,300