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%
ErgoWear ErgoWear EW1477 MAX COTTON Boxer Briefs Color White
¥1,600
¥1,600
¥2,400
Save 15%
Male Power Male Power 591-266 Leather Gemini Harness Color Black
¥5,500
¥5,500
¥6,500
Save 15%
Male Power Male Power 590-266 Leather Aries Harness Color Black
¥5,000
¥5,000
¥5,900
Save 14%
Male Power Male Power PAK-154 Fetish Uranus Jockstrap Color Black
¥4,800
¥4,800
¥5,600
Save 35%
Male Power Male Power 596-266 PU Leather Leo Color Black-Red
¥4,000
¥4,000
¥6,200
Save 13%
Male Power Male Power 492-280 Sassy Lace Bikini Solid Pouch Color Red
¥2,700
¥2,700
¥3,100
Save 35%
Unico Unico 23050201101 Efige Briefs Color 63-Turquoise
¥3,000
¥3,000
¥4,600
Save 33%
Unico Unico 23050201103 Talante Briefs Color 29-Coral
¥1,600
¥1,600
¥2,400
Save 15%
CandyMan CandyMan 99242 Jockstrap Color Black
¥3,300
¥3,300
¥3,900
Save 16%
CandyMan CandyMan 99312 Jockstrap Color Burgundy
¥2,700
¥2,700
¥3,200
Save 15%
CandyMan CandyMan 99393 Boxer Briefs Color Black
¥3,500
¥3,500
¥4,100
Doreanse Doreanse 1395-RED Aire Bikini Color Red
¥3,100
¥3,100
¥0
Doreanse Doreanse 1377-FUC Boost Cheeky Brief Color Fuchsia
¥3,200
¥3,200
¥0
Save 33%
Papi Papi 705910-001 3PK 1X1 Rib Jockstrap Color Black
¥1,600
¥1,600
¥2,400
Save 33%
Papi Papi 980403-950 3PK Cotton Stretch Brief Color Red-Gray-Black
¥1,600
¥1,600
¥2,400
Save 33%
Papi Papi 980911-950 3PK Cotton Stretch Jockstrap Color Red-Gray-Black
¥1,600
¥1,600
¥2,400
Save 33%
Papi Papi 705910-999 3PK 1X1 Rib Jockstrap Color Black-Red-Turquoise
¥1,600
¥1,600
¥2,400
Save 33%
CandyMan CandyMan 99439 Floral Briefs Color Blue
¥1,600
¥1,600
¥2,400
Save 33%
CandyMan CandyMan 99466X Lace Briefs Color Black
¥1,600
¥1,600
¥2,400
Save 33%
CandyMan CandyMan 99468X Garter Briefs Color Black
¥1,600
¥1,600
¥2,400
Save 36%
CandyMan CandyMan 99495 Mesh Briefs Color Black
¥1,800
¥1,800
¥2,800
Save 15%
CandyMan CandyMan 99478 Jockstrap Thongs Color Black
¥2,900
¥2,900
¥3,400
Save 33%
Papi Papi UMPA006 2PK Jockstrap Color Black-Blue
¥1,600
¥1,600
¥2,400
Papi Papi UMPA006 2PK Jockstrap Color Black-Gray
¥800
¥800
¥0
Papi Papi UMPA006 2PK Jockstrap Color Black-Orange
¥800
¥800
¥0
Save 15%
CandyMan CandyMan 99550 Lace Garter-Jockstrap Outfit Color Red
¥5,500
¥5,500
¥6,500
Save 16%
CandyMan CandyMan 99538 Lace Jockstrap Color Red
¥2,600
¥2,600
¥3,100
Save 16%
CandyMan CandyMan 99535 Bow Jockstrap Color Burgundy
¥2,600
¥2,600
¥3,100
Save 16%
CandyMan CandyMan 99538 Lace Jockstrap Color Black
¥2,600
¥2,600
¥3,100
Save 15%
CandyMan CandyMan 99550 Lace Garter-Jockstrap Outfit Color Black
¥5,500
¥5,500
¥6,500