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%
Pikante Pikante PIK 1267 Ultra Crop Top Color Yellow
¥1,600
¥1,600
¥2,400
Save 36%
Pikante Pikante PIK 1273 Sonar Trunks Color Red
¥3,000
¥3,000
¥4,700
Pikante Pikante PIK 1277 Sonar Briefs Color Red
¥5,500
¥5,500
¥0
Save 35%
Pikante Pikante PIK 1278 Sonar Ball Lifter Color Red
¥2,600
¥2,600
¥4,000
Save 36%
Pikante Pikante PIK 1280 Sonar Jockstrap Color Red
¥2,800
¥2,800
¥4,400
Save 36%
Pikante Pikante PIK 1281 Sonar Bikini Color Red
¥3,800
¥3,800
¥5,900
Pikante Pikante PIK 1271 Sonar Athletic Pants Color Orange
¥7,500
¥7,500
¥0
Save 33%
Pikante Pikante PIK 1272 Sonar Crop Top Color Orange
¥1,600
¥1,600
¥2,400
Pikante Pikante PIK 1273 Sonar Trunks Color Orange
¥5,100
¥5,100
¥0
Pikante Pikante PIK 1277 Sonar Briefs Color Orange
¥5,500
¥5,500
¥0
Pikante Pikante PIK 1278 Sonar Ball Lifter Color Orange
¥4,500
¥4,500
¥0
Save 36%
Pikante Pikante PIK 1280 Sonar Jockstrap Color Orange
¥2,800
¥2,800
¥4,400
Save 36%
Pikante Pikante PIK 1281 Sonar Bikini Color Orange
¥3,800
¥3,800
¥5,900
Pikante Pikante PIK 1283 Bestival Bikini Color Green
¥6,200
¥6,200
¥0
Save 33%
Pikante Pikante PIK 1272 Sonar Crop Top Color Fuchsia
¥1,600
¥1,600
¥2,400
Save 36%
Pikante Pikante PIK 1273 Sonar Trunks Color Fuchsia
¥3,000
¥3,000
¥4,700
Save 36%
Pikante Pikante PIK 1277 Sonar Briefs Color Fuchsia
¥3,200
¥3,200
¥5,000
Save 33%
Pikante Pikante PIK 1278 Sonar Ball Lifter Color Fuchsia
¥1,600
¥1,600
¥2,400
Save 36%
Pikante Pikante PIK 1280 Sonar Jockstrap Color Fuchsia
¥2,800
¥2,800
¥4,400
Save 36%
Pikante Pikante PIK 1281 Sonar Bikini Color Fuchsia
¥3,800
¥3,800
¥5,900
Save 36%
Pikante Pikante PIK 1268 Roskilde Trunks Color Blue
¥3,000
¥3,000
¥4,700
Pikante Pikante PIK 1269 Roskilde Briefs Color Blue
¥1,300
¥1,300
¥0
Save 33%
HAWAI HAWAI 42326 Microfiber Boxer Briefs Color White
¥1,600
¥1,600
¥2,400
Save 36%
HAWAI HAWAI 42308 Microfiber Trunks Color Orange
¥3,000
¥3,000
¥4,700
Save 36%
HAWAI HAWAI 42308 Microfiber Trunks Color Green
¥3,000
¥3,000
¥4,700
Save 33%
HAWAI HAWAI 42320 Microfiber Jockstrap Color Green
¥1,600
¥1,600
¥2,400
Save 33%
HAWAI HAWAI 42321 Microfiber Trunks Color Green
¥1,600
¥1,600
¥2,400
Save 33%
HAWAI HAWAI 42327 Microfiber Briefs Color Green
¥1,600
¥1,600
¥2,400
Save 33%
HAWAI HAWAI 42320 Microfiber Jockstrap Color Blue
¥1,600
¥1,600
¥2,400
Save 33%
HAWAI HAWAI 42321 Microfiber Trunks Color Blue
¥1,600
¥1,600
¥2,400