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%
Hidden Hidden 962 Jockstrap-Bikini Color Black
¥1,600
¥1,600
¥2,400
Save 33%
Pikante Pikante PIK 8728 Pubs Briefs Color White
¥1,600
¥1,600
¥2,400
Pikante Pikante PIK 8728 Pubs Briefs Color Black
¥1,000
¥1,000
¥0
Save 33%
Pikante Pikante PIK 8737 Global Briefs Color Orange
¥1,600
¥1,600
¥2,400
Save 34%
Pikante Pikante PIK 9299 Private Jockstrap Color Green
¥2,500
¥2,500
¥3,800
Roger Smuth Roger Smuth RS037 Harness Color Black
¥1,000
¥1,000
¥0
Roger Smuth Roger Smuth RS039 Jockstrap Color White
¥1,100
¥1,100
¥0
Save 33%
Roger Smuth Roger Smuth RS031 Jockstrap Color Black
¥1,600
¥1,600
¥2,400
Save 33%
Roger Smuth Roger Smuth RS031 Jockstrap Color Burgundy
¥1,600
¥1,600
¥2,400
Save 14%
Roger Smuth Roger Smuth RS038 Harness Color Black
¥2,400
¥2,400
¥2,800
Save 33%
Roger Smuth Roger Smuth RS033 Jockstrap Color Gray
¥1,600
¥1,600
¥2,400
Save 33%
Roger Smuth Roger Smuth RS033 Jockstrap Color Black
¥1,600
¥1,600
¥2,400
Save 33%
Roger Smuth Roger Smuth RS039 Jockstrap Color Black
¥1,600
¥1,600
¥2,400
Save 33%
Roger Smuth Roger Smuth RS045 Jockstrap Color Black
¥1,600
¥1,600
¥2,400
Save 34%
Roger Smuth Roger Smuth RS039 Jockstrap Color Burgundy
¥3,500
¥3,500
¥5,300
Save 34%
Roger Smuth Roger Smuth RS045 Jockstrap Color White
¥3,100
¥3,100
¥4,700
Save 35%
ErgoWear ErgoWear EW1118 MAX XV PRIDE Jockstrap Color Red
¥3,500
¥3,500
¥5,400
Save 15%
Unico Unico 22120100106 Profundo M22 Trunks Color 82-Dark Blue
¥3,900
¥3,900
¥4,600
Save 15%
Unico Unico 22120100112 Lustre M22 Trunks Color 00-White
¥3,900
¥3,900
¥4,600
Save 15%
Unico Unico 22120100101 Cristalino A22 Trunks Color 00-White
¥3,500
¥3,500
¥4,100
Save 15%
Unico Unico 22120100103 Intenso A22 Trunks Color 99-Black
¥3,900
¥3,900
¥4,600
Save 15%
Unico Unico 22120100108 Asfalto M22 Trunks Color 96-Dark Gray
¥3,900
¥3,900
¥4,600
Save 15%
Unico Unico 22120100105 Cristalino M22 Trunks Color 00-White
¥3,900
¥3,900
¥4,600
Save 15%
Unico Unico 22120100111 Nebuloso A22 Trunks Color 99-Black
¥3,900
¥3,900
¥4,600
Save 15%
Unico Unico 22120100110 Cardenal A22 Trunks Color 82-Dark Blue
¥3,900
¥3,900
¥4,600
Save 15%
Unico Unico 22120100104 Asfalto A22 Trunks Color 96-Dark Gray
¥3,900
¥3,900
¥4,600
Save 35%
ErgoWear ErgoWear EW1192 MAX XV Jockstrap Color Silver
¥3,500
¥3,500
¥5,400
Save 33%
JOR JOR 1740 Riders Trunks Color Royal
¥1,600
¥1,600
¥2,400
Save 33%
JOR JOR 1742 Riders Jockstrap Color Royal
¥1,600
¥1,600
¥2,400
Save 33%
JOR JOR 1754 Party Jockstrap Color Printed
¥1,600
¥1,600
¥2,400