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 2313 Peek-a-boo Jockstrap Color White
¥4,300
¥4,300
¥5,100
Save 35%
PPU PPU 2308 One Side Mesh Jockstrap Color Turquoise
¥2,800
¥2,800
¥4,300
Save 16%
PPU PPU 2304 Ball Lifter Jockstrap Color Red
¥3,700
¥3,700
¥4,400
Save 35%
PPU PPU 2305 Mesh Jockstrap Color Red
¥3,600
¥3,600
¥5,500
Save 15%
PPU PPU 2306 Thong or Jockstrap Color Red
¥4,000
¥4,000
¥4,700
Save 15%
PPU PPU 2305 Mesh Jockstrap Color Orange
¥5,200
¥5,200
¥6,100
Save 15%
PPU PPU 2306 Thong or Jockstrap Color Orange
¥4,000
¥4,000
¥4,700
Save 15%
PPU PPU 2308 One Side Mesh Jockstrap Color Orange
¥4,000
¥4,000
¥4,700
Save 33%
PPU PPU 2307 Ball Lifter Jockstrap Color Jade
¥1,600
¥1,600
¥2,400
Save 16%
PPU PPU 2304 Ball Lifter Jockstrap Color Gray
¥3,700
¥3,700
¥4,400
Save 15%
PPU PPU 2305 Mesh Jockstrap Color Gray
¥5,200
¥5,200
¥6,100
Save 14%
PPU PPU 2310 Ball Lifter and Thong Jockstrap Color Fuchsia
¥4,900
¥4,900
¥5,700
Save 35%
PPU PPU 2307 Ball Lifter Jockstrap Color Blue
¥3,600
¥3,600
¥5,500
Save 15%
PPU PPU 2308 One Side Mesh Jockstrap Color Blue
¥4,000
¥4,000
¥4,700
Save 15%
PPU PPU 2306 Thong or Jockstrap Color Black
¥4,000
¥4,000
¥4,700
Save 33%
PPU PPU 2307 Ball Lifter Jockstrap Color Black
¥1,600
¥1,600
¥2,400
Save 35%
PPU PPU 2309 Microfiber Jockstrap Color Black
¥2,800
¥2,800
¥4,300
Save 14%
PPU PPU 2310 Ball Lifter and Thong Jockstrap Color Black
¥4,900
¥4,900
¥5,700
Save 35%
PPU PPU 2313 Peek-a-boo Jockstrap Color Black
¥3,000
¥3,000
¥4,600
Save 34%
Roger Smuth Roger Smuth RS088 Jock-Thong Color White
¥4,000
¥4,000
¥6,100
Save 15%
Roger Smuth Roger Smuth RS089 Ball lifter Color White
¥3,400
¥3,400
¥4,000
Save 14%
Roger Smuth Roger Smuth RS086 Jock-Thong Color Green
¥6,000
¥6,000
¥7,000
Save 14%
Roger Smuth Roger Smuth RS087 Ball lifter Color Green
¥4,300
¥4,300
¥5,000
Save 14%
Roger Smuth Roger Smuth RS086 Jock-Thong Color Burgundy
¥6,000
¥6,000
¥7,000
Save 14%
Roger Smuth Roger Smuth RS087 Ball lifter Color Burgundy
¥4,300
¥4,300
¥5,000
Save 15%
Roger Smuth Roger Smuth RS088 Jock-Thong Color Burgundy
¥5,700
¥5,700
¥6,700
Save 14%
Roger Smuth Roger Smuth RS087 Ball lifter Color Blue
¥4,300
¥4,300
¥5,000
Save 14%
Roger Smuth Roger Smuth RS086 Jock-Thong Color Black
¥6,000
¥6,000
¥7,000
Save 15%
Roger Smuth Roger Smuth RS088 Jock-Thong Color Black
¥5,700
¥5,700
¥6,700
Save 15%
Roger Smuth Roger Smuth RS089 Ball lifter Color Black
¥3,400
¥3,400
¥4,000