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.
HAWAI HAWAI 41903 Solid Athletic Boxer Briefs Color Royal Blue
¥1,300
¥1,300
¥0
HAWAI HAWAI 41903 Solid Athletic Boxer Briefs Color Green
¥1,300
¥1,300
¥0
Save 34%
HAWAI HAWAI 4986 Solid Athletic Trunks Color Petrol
¥2,100
¥2,100
¥3,200
Save 36%
HAWAI HAWAI 42121 Printed Athletic Trunks Color Black
¥2,300
¥2,300
¥3,600
HAWAI HAWAI 4986 Solid Athletic Trunks Color Royal Blue
¥1,300
¥1,300
¥0
Save 34%
HAWAI HAWAI 42135 Geometric Mini Trunks Color Royal Blue
¥2,100
¥2,100
¥3,200
Save 32%
HAWAI HAWAI 42104 Printed Boxer Briefs Color Green
¥1,700
¥1,700
¥2,500
Save 34%
HAWAI HAWAI 42134 Printed Mini Trunks Color Green
¥2,100
¥2,100
¥3,200
Save 32%
HAWAI HAWAI 42121 Printed Athletic Trunks Color Royal Blue
¥1,700
¥1,700
¥2,500
Save 34%
HAWAI HAWAI 4986 Solid Athletic Trunks Color Green
¥2,100
¥2,100
¥3,200
HAWAI HAWAI 42104 Printed Boxer Briefs Color Royal Blue
¥1,300
¥1,300
¥0
Save 15%
CandyMan CandyMan 99550 Lace Garter-Jockstrap Outfit Color Red
¥5,800
¥5,800
¥6,800
Save 13%
CandyMan CandyMan 99535 Bow Jockstrap Color Red
¥2,800
¥2,800
¥3,200
Save 13%
CandyMan CandyMan 99535 Bow Jockstrap Color Black
¥2,800
¥2,800
¥3,200
Save 15%
CandyMan CandyMan 99550 Lace Garter-Jockstrap Outfit Color Black
¥5,800
¥5,800
¥6,800
Save 36%
CandyMan CandyMan 99551 Lace Peekaboo Briefs Color Black
¥2,300
¥2,300
¥3,600
Save 16%
MaleBasics MaleBasics DMBL07 DNGEON Cross Cockring Harness Color Black
¥5,300
¥5,300
¥6,300
SOLD OUT
MaleBasics MaleBasics DMBL09 DNGEON Cross Chain Harness Color Black
¥5,300
¥5,300
¥6,300
Save 14%
MaleBasics MaleBasics DMBL06 DNGEON Straigh Back Harness Color Black
¥4,200
¥4,200
¥4,900
Save 14%
MaleBasics MaleBasics DMBL04 DNGEON Peakaboo Jockstrap Color Black
¥3,600
¥3,600
¥4,200
Save 14%
MaleBasics MaleBasics DMBL01 DNGEON Cockring Jockstrap Color Black
¥3,600
¥3,600
¥4,200
Save 16%
MaleBasics MaleBasics DMBL08 DNGEON Croptop Cockring Harness Color Black
¥5,300
¥5,300
¥6,300
Save 32%
Rico Rico 250108 3PK Brazilian Trunks Color Black-Gray
¥1,700
¥1,700
¥2,500
Save 32%
Rico Rico 250109 3PK Brazilian Trunks Color Black-Blue
¥1,700
¥1,700
¥2,500
Save 15%
Male Power Male Power 591-266 Leather Gemini Harness Color Black
¥5,800
¥5,800
¥6,800
Save 16%
Male Power Male Power 590-266 Leather Aries Harness Color Black
¥5,200
¥5,200
¥6,200
Save 14%
Male Power Male Power PAK-154 Fetish Uranus Jockstrap Color Black
¥5,000
¥5,000
¥5,800
Save 37%
Xtremen Xtremen 91032 Butt lifter Jockstrap Color White
¥1,900
¥1,900
¥3,000
Save 15%
MaleBasics MaleBasics MBL107 MOB Classic Fetish Jock 3 Inches Jockstrap Color Green
¥2,200
¥2,200
¥2,600
SOLD OUT
MaleBasics MaleBasics MBL107 MOB Classic Fetish Jock 3 Inches Jockstrap Color Royal
¥2,200
¥2,200
¥2,600