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.

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Hidden Hidden 964 Mesh side Trunks Color Blue
Regular Price
¥1,600
Sale Price
¥1,600
Regular Price
¥2,400
Unit Price
per 
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Hidden Hidden 958 Open Side Briefs Color Gray
Regular Price
¥1,600
Sale Price
¥1,600
Regular Price
¥2,400
Unit Price
per 
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Hidden Hidden 971 Jockstrap-Thong Color White
Regular Price
¥1,600
Sale Price
¥1,600
Regular Price
¥2,400
Unit Price
per 
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Hidden Hidden 958 Open Side Briefs Color White
Regular Price
¥1,600
Sale Price
¥1,600
Regular Price
¥2,400
Unit Price
per 
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Hidden Hidden 968 Bikini-Trunks Color White
Regular Price
¥1,600
Sale Price
¥1,600
Regular Price
¥2,400
Unit Price
per 
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Hidden Hidden 964 Mesh side Trunks Color Jade
Regular Price
¥2,900
Sale Price
¥2,900
Regular Price
¥4,400
Unit Price
per 
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Hidden Hidden 962 Jockstrap-Bikini Color Jade
Regular Price
¥1,600
Sale Price
¥1,600
Regular Price
¥2,400
Unit Price
per 
Hidden Hidden 970 Open Trunks Color White
Regular Price
¥1,300
Sale Price
¥1,300
Regular Price
¥0
Unit Price
per 
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Hidden Hidden 962 Jockstrap-Bikini Color Black
Regular Price
¥1,600
Sale Price
¥1,600
Regular Price
¥2,400
Unit Price
per 
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Pikante Pikante PIK 8728 Pubs Briefs Color White
Regular Price
¥1,600
Sale Price
¥1,600
Regular Price
¥2,400
Unit Price
per 
Pikante Pikante PIK 8728 Pubs Briefs Color Black
Regular Price
¥1,000
Sale Price
¥1,000
Regular Price
¥0
Unit Price
per 
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Pikante Pikante PIK 8737 Global Briefs Color Orange
Regular Price
¥1,600
Sale Price
¥1,600
Regular Price
¥2,400
Unit Price
per 
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Pikante Pikante PIK 9299 Private Jockstrap Color Green
Regular Price
¥2,500
Sale Price
¥2,500
Regular Price
¥3,800
Unit Price
per 
Roger Smuth Roger Smuth RS037 Harness Color Black
Regular Price
¥1,000
Sale Price
¥1,000
Regular Price
¥0
Unit Price
per 
Roger Smuth Roger Smuth RS039 Jockstrap Color White
Regular Price
¥1,100
Sale Price
¥1,100
Regular Price
¥0
Unit Price
per 
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Roger Smuth Roger Smuth RS031 Jockstrap Color Black
Regular Price
¥1,600
Sale Price
¥1,600
Regular Price
¥2,400
Unit Price
per 
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Roger Smuth Roger Smuth RS031 Jockstrap Color Burgundy
Regular Price
¥1,600
Sale Price
¥1,600
Regular Price
¥2,400
Unit Price
per 
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Roger Smuth Roger Smuth RS038 Harness Color Black
Regular Price
¥2,300
Sale Price
¥2,300
Regular Price
¥2,700
Unit Price
per 
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Roger Smuth Roger Smuth RS033 Jockstrap Color Gray
Regular Price
¥1,600
Sale Price
¥1,600
Regular Price
¥2,400
Unit Price
per 
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Roger Smuth Roger Smuth RS033 Jockstrap Color Black
Regular Price
¥1,600
Sale Price
¥1,600
Regular Price
¥2,400
Unit Price
per 
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Roger Smuth Roger Smuth RS039 Jockstrap Color Black
Regular Price
¥1,600
Sale Price
¥1,600
Regular Price
¥2,400
Unit Price
per 
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Roger Smuth Roger Smuth RS045 Jockstrap Color Black
Regular Price
¥1,600
Sale Price
¥1,600
Regular Price
¥2,400
Unit Price
per 
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Roger Smuth Roger Smuth RS039 Jockstrap Color Burgundy
Regular Price
¥3,400
Sale Price
¥3,400
Regular Price
¥5,200
Unit Price
per 
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Roger Smuth Roger Smuth RS045 Jockstrap Color White
Regular Price
¥3,000
Sale Price
¥3,000
Regular Price
¥4,600
Unit Price
per 
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Unico Unico 22120100106 Profundo M22 Trunks Color 82-Dark Blue
Regular Price
¥3,900
Sale Price
¥3,900
Regular Price
¥4,600
Unit Price
per 
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Unico Unico 22120100112 Lustre M22 Trunks Color 00-White
Regular Price
¥3,900
Sale Price
¥3,900
Regular Price
¥4,600
Unit Price
per 
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Unico Unico 22120100103 Intenso A22 Trunks Color 99-Black
Regular Price
¥3,900
Sale Price
¥3,900
Regular Price
¥4,600
Unit Price
per 
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Unico Unico 22120100108 Asfalto M22 Trunks Color 96-Dark Gray
Regular Price
¥3,900
Sale Price
¥3,900
Regular Price
¥4,600
Unit Price
per 
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Unico Unico 22120100105 Cristalino M22 Trunks Color 00-White
Regular Price
¥3,900
Sale Price
¥3,900
Regular Price
¥4,600
Unit Price
per 
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Unico Unico 22120100111 Nebuloso A22 Trunks Color 99-Black
Regular Price
¥3,900
Sale Price
¥3,900
Regular Price
¥4,600
Unit Price
per