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 1838 Daily Jockstrap Color Gray
¥1,700
¥1,700
¥2,500
Save 35%
JOR JOR 1827 Garoto Bikini Color Gold
¥3,000
¥3,000
¥4,600
Save 32%
JOR JOR 1827 Garoto Bikini Color Cooper
¥1,700
¥1,700
¥2,500
Save 32%
JOR JOR 1831 Kioto Bikini Color Cocoa
¥1,700
¥1,700
¥2,500
Save 32%
JOR JOR 1832 Kioto Jockstrap Color Cocoa
¥1,700
¥1,700
¥2,500
SOLD OUT
JOR JOR 1831 Kioto Bikini Color Blue
¥1,700
¥1,700
¥2,500
Save 32%
JOR JOR 1832 Kioto Jockstrap Color Blue
¥1,700
¥1,700
¥2,500
Save 32%
JOR JOR 1835 Daily Trunks Color Blue
¥1,700
¥1,700
¥2,500
Save 32%
JOR JOR 1837 Daily Bikini Color Blue
¥1,700
¥1,700
¥2,500
Save 32%
JOR JOR 1838 Daily Jockstrap Color Blue
¥1,700
¥1,700
¥2,500
Save 32%
JOR JOR 1827 Garoto Bikini Color Black
¥1,700
¥1,700
¥2,500
Save 35%
JOR JOR 1840 Nitro Trunks Color Black
¥3,000
¥3,000
¥4,600
Save 35%
JOR JOR 1841 Nitro Bikini Color Black
¥3,000
¥3,000
¥4,600
Save 35%
JOR JOR 1842 Nitro Jockstrap Color Black
¥3,000
¥3,000
¥4,600
Save 33%
JOR JOR 1846 Ares Bikini Color Black
¥2,800
¥2,800
¥4,200
Save 32%
JOR JOR 1847 Ares Jockstrap Color Black
¥1,700
¥1,700
¥2,500
Save 36%
Clever Clever 1407 Wood Trunks Color Pink
¥2,100
¥2,100
¥3,300
Save 16%
BiteWear BiteWear BW2023101 Discreet Apricot Jockstrap Color Green
¥4,300
¥4,300
¥5,100
Save 16%
BiteWear BiteWear BW2023101 Discreet Apricot Jockstrap Color Fuchsia
¥4,300
¥4,300
¥5,100
Save 14%
BiteWear BiteWear BW2023104 Sassy Peach Jockstrap Color Fuchsia
¥2,400
¥2,400
¥2,800
Save 16%
Xtremen Xtremen 91151 Destellante Trunks Color Teal
¥4,300
¥4,300
¥5,100
SOLD OUT
Xtremen Xtremen 91149 Destellante Jockstrap Color Silver
¥900
¥900
¥0
SOLD OUT
Xtremen Xtremen 91151 Destellante Trunks Color Green
¥4,300
¥4,300
¥5,100
SOLD OUT
ErgoWear ErgoWear EW1402 FEEL XX Briefs Color Raspberry
¥1,700
¥1,700
¥2,500
Save 32%
ErgoWear ErgoWear EW1406 FEEL XX Briefs Color Black
¥1,700
¥1,700
¥2,500
SOLD OUT
ErgoWear ErgoWear EW1407 FEEL XX Trunks Color Black
¥4,200
¥4,200
¥6,400
SOLD OUT
ErgoWear ErgoWear EW1408 FEEL XX Boxer Briefs Color Black
¥1,700
¥1,700
¥2,500
Save 35%
ErgoWear ErgoWear EW1412 FEEL XX Boxer Briefs Color Electric Blue
¥4,700
¥4,700
¥7,200
Save 36%
Clever Clever 1448 Sainted Trunks Color White
¥3,800
¥3,800
¥5,900
SOLD OUT
Clever Clever 1449 Sainted Bikini Color White
¥3,600
¥3,600
¥5,500