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 14%
Male Power Male Power 390-294 Hazy Dayz Jock Color Mushrooms
¥2,400
¥2,400
¥2,800
Save 14%
Male Power Male Power 331-293 Your Lace Or Mine Jock Color Multi
¥2,400
¥2,400
¥2,800
Save 33%
Male Power Male Power 304-290 Marble Mesh Mini Moonshine Color Light Blue
¥1,600
¥1,600
¥2,400
SOLD OUT
Male Power Male Power 390-285 Petal Power Jock Color Daisy Print
¥1,800
¥1,800
¥2,800
Save 13%
Male Power Male Power 394-289 Lucifer Strappy Jock Color Burgundy
¥2,700
¥2,700
¥3,100
Save 13%
Male Power Male Power 302-292 Cut It Out Cut Out Moonshine Color Blue-Green-White
¥2,700
¥2,700
¥3,100
Save 33%
Male Power Male Power 304-290 Marble Mesh Mini Moonshine Color Black
¥1,600
¥1,600
¥2,400
Save 13%
Male Power Male Power 394-289 Lucifer Strappy Jock Color Black
¥2,700
¥2,700
¥3,100
Save 15%
JOR JOR 1934 Dante Bikini Color White
¥3,500
¥3,500
¥4,100
Save 33%
JOR JOR 1966 Dakar Bikini Color White
¥1,600
¥1,600
¥2,400
Save 33%
JOR JOR 1933 Garoto Bikini Color Red
¥1,600
¥1,600
¥2,400
JOR JOR 1943 College Trunks Color Red
¥1,300
¥1,300
¥0
Save 35%
JOR JOR 1944 College Briefs Color Red
¥2,800
¥2,800
¥4,300
Save 35%
JOR JOR 1945 College Bikini Color Red
¥2,600
¥2,600
¥4,000
Save 15%
JOR JOR 1934 Dante Bikini Color Mint Green
¥3,500
¥3,500
¥4,100
Save 35%
JOR JOR 1969 Oporto Bikini Color Ivory
¥2,600
¥2,600
¥4,000
Save 35%
JOR JOR 1933 Garoto Bikini Color Green
¥2,600
¥2,600
¥4,000
Save 35%
JOR JOR 1937 Kioto Bikini Color Green
¥2,400
¥2,400
¥3,700
Save 35%
JOR JOR 1940 Athletic Trunks Color Green
¥2,600
¥2,600
¥4,000
Save 33%
JOR JOR 1941 Athletic Briefs Color Green
¥1,600
¥1,600
¥2,400
Save 33%
JOR JOR 1943 College Trunks Color Green
¥1,600
¥1,600
¥2,400
Save 33%
JOR JOR 1944 College Briefs Color Green
¥1,600
¥1,600
¥2,400
Save 33%
JOR JOR 1945 College Bikini Color Green
¥1,600
¥1,600
¥2,400
Save 33%
JOR JOR 1946 College Jockstrap Color Green
¥1,600
¥1,600
¥2,400
Save 33%
JOR JOR 1950 Element Trunks Color Green
¥1,600
¥1,600
¥2,400
Save 35%
JOR JOR 1951 Element Boxer Briefs Color Green
¥2,800
¥2,800
¥4,300
Save 33%
JOR JOR 1952 Element Briefs Color Green
¥1,600
¥1,600
¥2,400
Save 35%
JOR JOR 1953 Element Bikini Color Green
¥2,600
¥2,600
¥4,000
Save 33%
JOR JOR 1937 Kioto Bikini Color Gray
¥1,600
¥1,600
¥2,400
Save 15%
JOR JOR 1934 Dante Bikini Color Candy Pink
¥3,500
¥3,500
¥4,100