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%
Clever Clever 0605-1 Explore Briefs Color Green
¥2,200
¥2,200
¥3,300
Clever Clever 0607-1 Motivation Trunks Color Blue
¥3,700
¥3,700
¥0
Save 34%
Clever Clever 0608-1 Motivation Briefs Color Blue
¥2,100
¥2,100
¥3,200
Save 14%
HAWAI HAWAI 42152 Solid Lace Briefs Color Fuchsia
¥3,600
¥3,600
¥4,200
Save 34%
HAWAI HAWAI 42156 Solid Lace Briefs Color Fuchsia
¥2,100
¥2,100
¥3,200
Save 34%
HAWAI HAWAI 42255 Microfiber Trunks Color Magenta
¥2,300
¥2,300
¥3,500
Save 34%
HAWAI HAWAI 42255 Microfiber Trunks Color Hazelnut
¥2,300
¥2,300
¥3,500
Save 37%
HAWAI HAWAI 42258 Microfiber Jockstrap Color Hazelnut
¥1,700
¥1,700
¥2,700
Save 37%
HAWAI HAWAI 42296 Microfiber Jockstrap Color Gray
¥1,700
¥1,700
¥2,700
Save 34%
HAWAI HAWAI 42255 Microfiber Trunks Color Fuchsia
¥2,300
¥2,300
¥3,500
Save 15%
HAWAI HAWAI 42293 Microfiber Trunks Color Dark Blue
¥3,300
¥3,300
¥3,900
Save 37%
HAWAI HAWAI 42296 Microfiber Jockstrap Color Dark Blue
¥1,700
¥1,700
¥2,700
Save 34%
Clever Clever 1133 Sacred Briefs Color White
¥3,100
¥3,100
¥4,700
Clever Clever 1126 Vital Trunks Color Green
¥5,200
¥5,200
¥0
Save 34%
Clever Clever 1127 Vital Briefs Color Green
¥2,900
¥2,900
¥4,400
Clever Clever 1123 Natura Trunks Color Beige
¥5,200
¥5,200
¥0
Clever Clever 1124 Natura Briefs Color Beige
¥4,500
¥4,500
¥0
Unico Unico 23010100104 Erizo Trunks Color 90-Printed
¥4,400
¥4,400
¥0
Unico Unico 23010100106 Naufragio Trunks Color 90-Printed
¥4,400
¥4,400
¥0
Save 35%
Unico Unico 23010201104 Erizo Briefs Color 90-Printed
¥1,500
¥1,500
¥2,300
Unico Unico 23020100110 Riguroso Trunks Color 29-Printed
¥4,400
¥4,400
¥0
Pikante Pikante PIK 1072 Blaze Briefs Color White
¥4,200
¥4,200
¥0
Pikante Pikante PIK 1083 Piquancy Briefs Color Red
¥1,200
¥1,200
¥0
Pikante Pikante PIK 1084 Lips Harness Briefs Color Red
¥7,400
¥7,400
¥0
Save 35%
Pikante Pikante PIK 1080 Fiery Jockstrap Color Red
¥1,500
¥1,500
¥2,300
Save 34%
Pikante Pikante PIK 1076 Nucleus Jockstrap Color Black
¥2,700
¥2,700
¥4,100
Clever Clever 9099 Limited Edition Long Boxer Briefs Color Yellow-15
¥1,200
¥1,200
¥0
Save 36%
Clever Clever 2199 Limited Edition Boxer Briefs Color Pink-40
¥1,800
¥1,800
¥2,800
Save 35%
Xtremen Xtremen 91134 Mesh Jockstrap Color Dark Blue
¥1,500
¥1,500
¥2,300
Xtremen Xtremen 91123 Lace Briefs Color Black
¥4,200
¥4,200
¥0