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 16%
PPU PPU 1707 Jockstrap Color Black
¥3,800
¥3,800
¥4,500
Save 15%
Hidden Hidden 963 Mesh Jockstrap Color White
¥3,500
¥3,500
¥4,100
Save 35%
Hidden Hidden 957 Open Butt Trunk Color White
¥2,600
¥2,600
¥4,000
Hidden Hidden 957 Open Butt Trunk Color Blue
¥1,200
¥1,200
¥0
Save 15%
Hidden Hidden 958 Open Side Briefs Color Beige
¥3,400
¥3,400
¥4,000
Save 16%
Hidden Hidden 968 Bikini-Trunks Color Black
¥4,600
¥4,600
¥5,500
Save 15%
Hidden Hidden 964 Mesh side Trunks Color Black
¥3,900
¥3,900
¥4,600
Save 13%
Hidden Hidden 966 Mesh Bikini Color Black
¥2,700
¥2,700
¥3,100
Save 15%
Hidden Hidden 961 Mesh Mini Trunks Color Black
¥3,500
¥3,500
¥4,100
Save 15%
Hidden Hidden 958 Open Side Briefs Color Black
¥3,400
¥3,400
¥4,000
Save 15%
Hidden Hidden 964 Mesh side Trunks Color Blue
¥3,900
¥3,900
¥4,600
Save 36%
Hidden Hidden 958 Open Side Briefs Color Gray
¥2,300
¥2,300
¥3,600
Save 14%
Hidden Hidden 971 Jockstrap-Thong Color White
¥3,100
¥3,100
¥3,600
Save 15%
Hidden Hidden 961 Mesh Mini Trunks Color White
¥3,500
¥3,500
¥4,100
Save 36%
Hidden Hidden 958 Open Side Briefs Color White
¥2,300
¥2,300
¥3,600
Save 35%
Hidden Hidden 968 Bikini-Trunks Color White
¥1,500
¥1,500
¥2,300
Save 36%
Hidden Hidden 964 Mesh side Trunks Color Jade
¥2,700
¥2,700
¥4,200
Save 13%
Hidden Hidden 962 Jockstrap-Bikini Color Jade
¥3,900
¥3,900
¥4,500
Save 36%
Hidden Hidden 970 Open Trunks Color Blue
¥2,300
¥2,300
¥3,600
Hidden Hidden 970 Open Trunks Color White
¥1,200
¥1,200
¥0
Save 13%
Hidden Hidden 962 Jockstrap-Bikini Color Black
¥3,900
¥3,900
¥4,500
Save 35%
Pikante Pikante PIK 8728 Pubs Briefs Color White
¥1,500
¥1,500
¥2,300
Pikante Pikante PIK 8728 Pubs Briefs Color Black
¥900
¥900
¥0
Save 35%
Pikante Pikante PIK 8737 Global Briefs Color Orange
¥2,800
¥2,800
¥4,300
Save 36%
Pikante Pikante PIK 9299 Private Jockstrap Color Green
¥2,300
¥2,300
¥3,600
Roger Smuth Roger Smuth RS037 Harness Color Black
¥900
¥900
¥0
Roger Smuth Roger Smuth RS039 Jockstrap Color White
¥1,100
¥1,100
¥0
Save 35%
Roger Smuth Roger Smuth RS031 Jockstrap Color Black
¥1,500
¥1,500
¥2,300
Save 35%
Roger Smuth Roger Smuth RS031 Jockstrap Color Burgundy
¥1,500
¥1,500
¥2,300
Roger Smuth Roger Smuth RS038 Harness Color Black
¥2,600
¥2,600
¥0