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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Xtremen Xtremen 41313 Printed Briefs Color Royal
Regular Price
£8.00
Sale Price
£8.00
Regular Price
£12.00
Unit Price
per 
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Xtremen Xtremen 41313 Printed Briefs Color Orange
Regular Price
£11.00
Sale Price
£11.00
Regular Price
£13.00
Unit Price
per 
Xtremen Xtremen 91130 Printed Jockstrap Color Orange
Regular Price
£5.00
Sale Price
£5.00
Regular Price
£0.00
Unit Price
per 
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Xtremen Xtremen 41313 Printed Briefs Color Green
Regular Price
£11.00
Sale Price
£11.00
Regular Price
£13.00
Unit Price
per 
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Xtremen Xtremen 91130 Printed Jockstrap Color Green
Regular Price
£8.00
Sale Price
£8.00
Regular Price
£13.00
Unit Price
per 
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Roger Smuth Roger Smuth RS077 Thongs Color White
Regular Price
£20.00
Sale Price
£20.00
Regular Price
£31.00
Unit Price
per 
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Roger Smuth Roger Smuth RS077 Thongs Color Burgundy
Regular Price
£29.00
Sale Price
£29.00
Regular Price
£34.00
Unit Price
per 
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Roger Smuth Roger Smuth RS072 Trunks Color Black
Regular Price
£8.00
Sale Price
£8.00
Regular Price
£13.00
Unit Price
per 
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ErgoWear ErgoWear EW1166 X4D Bikini Color White
Regular Price
£26.00
Sale Price
£26.00
Regular Price
£30.00
Unit Price
per 
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ErgoWear ErgoWear EW1167 X4D Trunks Color White
Regular Price
£28.00
Sale Price
£28.00
Regular Price
£32.00
Unit Price
per 
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ErgoWear ErgoWear EW1162 X4D Bikini Color Stonewash
Regular Price
£26.00
Sale Price
£26.00
Regular Price
£30.00
Unit Price
per 
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ErgoWear ErgoWear EW1163 X4D Trunks Color Stonewash
Regular Price
£28.00
Sale Price
£28.00
Regular Price
£32.00
Unit Price
per 
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ErgoWear ErgoWear EW1158 X4D Bikini Color Burgundy
Regular Price
£26.00
Sale Price
£26.00
Regular Price
£30.00
Unit Price
per 
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ErgoWear ErgoWear EW1159 X4D Trunks Color Burgundy
Regular Price
£28.00
Sale Price
£28.00
Regular Price
£32.00
Unit Price
per 
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ErgoWear ErgoWear EW1160 X4D Boxer Briefs Color Burgundy
Regular Price
£25.00
Sale Price
£25.00
Regular Price
£39.00
Unit Price
per 
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JUSTIN+SIMON JUSTIN+SIMON XSJ08 Classic Trunks Color Yellow
Regular Price
£16.00
Sale Price
£16.00
Regular Price
£19.00
Unit Price
per 
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JUSTIN+SIMON JUSTIN+SIMON XSJ22 Cheek Briefs Color Wine
Regular Price
£18.00
Sale Price
£18.00
Regular Price
£21.00
Unit Price
per 
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JUSTIN+SIMON JUSTIN+SIMON XSJ22 Cheek Briefs Color Turquoise
Regular Price
£18.00
Sale Price
£18.00
Regular Price
£21.00
Unit Price
per 
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JUSTIN+SIMON JUSTIN+SIMON XSJ08 Classic Trunks Color Royal Blue
Regular Price
£16.00
Sale Price
£16.00
Regular Price
£19.00
Unit Price
per 
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JUSTIN+SIMON JUSTIN+SIMON XSJ22 Cheek Briefs Color Red
Regular Price
£18.00
Sale Price
£18.00
Regular Price
£21.00
Unit Price
per 
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JUSTIN+SIMON JUSTIN+SIMON XSJ22 Cheek Briefs Color Purple
Regular Price
£18.00
Sale Price
£18.00
Regular Price
£21.00
Unit Price
per 
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JUSTIN+SIMON JUSTIN+SIMON XSJ22 Cheek Briefs Color Pink
Regular Price
£18.00
Sale Price
£18.00
Regular Price
£21.00
Unit Price
per 
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JUSTIN+SIMON JUSTIN+SIMON XSJ22 Cheek Briefs Color Opal Green
Regular Price
£18.00
Sale Price
£18.00
Regular Price
£21.00
Unit Price
per 
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JUSTIN+SIMON JUSTIN+SIMON XSJ22 Cheek Briefs Color Neon Green
Regular Price
£18.00
Sale Price
£18.00
Regular Price
£21.00
Unit Price
per 
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JUSTIN+SIMON JUSTIN+SIMON XSJ22 Cheek Briefs Color Navy
Regular Price
£18.00
Sale Price
£18.00
Regular Price
£21.00
Unit Price
per 
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JUSTIN+SIMON JUSTIN+SIMON XSJ22 Cheek Briefs Color Metal Green
Regular Price
£18.00
Sale Price
£18.00
Regular Price
£21.00
Unit Price
per 
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JUSTIN+SIMON JUSTIN+SIMON XSJ08 Classic Trunks Color Hot Pink
Regular Price
£16.00
Sale Price
£16.00
Regular Price
£19.00
Unit Price
per 
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JUSTIN+SIMON JUSTIN+SIMON XSJ08 Classic Trunks Color Gray
Regular Price
£16.00
Sale Price
£16.00
Regular Price
£19.00
Unit Price
per 
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JUSTIN+SIMON JUSTIN+SIMON XSJ08 Classic Trunks Color Coral
Regular Price
£16.00
Sale Price
£16.00
Regular Price
£19.00
Unit Price
per 
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JUSTIN+SIMON JUSTIN+SIMON XSJ08 Classic Trunks Color Black
Regular Price
£16.00
Sale Price
£16.00
Regular Price
£19.00
Unit Price
per