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 36%
Hidden Hidden 952 Mesh Trunks Color Blue
Regular Price
£14.00
Sale Price
£14.00
Regular Price
£22.00
Unit Price
per 
Save 38%
Hidden Hidden 962 Jockstrap-Bikini Color Blue
Regular Price
£8.00
Sale Price
£8.00
Regular Price
£13.00
Unit Price
per 
Save 38%
Hidden Hidden 971 Jockstrap-Thong Color Red
Regular Price
£8.00
Sale Price
£8.00
Regular Price
£13.00
Unit Price
per 
Save 36%
Hidden Hidden 952 Mesh Trunks Color White
Regular Price
£14.00
Sale Price
£14.00
Regular Price
£22.00
Unit Price
per 
Save 38%
Hidden Hidden 956 Mesh Bikini Color White
Regular Price
£8.00
Sale Price
£8.00
Regular Price
£13.00
Unit Price
per 
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Hidden Hidden 966 Mesh Bikini Color White
Regular Price
£10.00
Sale Price
£10.00
Regular Price
£16.00
Unit Price
per 
Save 33%
Hidden Hidden 961 Mesh Mini Trunks Color White
Regular Price
£14.00
Sale Price
£14.00
Regular Price
£21.00
Unit Price
per 
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Hidden Hidden 966 Mesh Bikini Color Jade
Regular Price
£10.00
Sale Price
£10.00
Regular Price
£16.00
Unit Price
per 
Save 38%
Hidden Hidden 970 Open Trunks Color Blue
Regular Price
£8.00
Sale Price
£8.00
Regular Price
£13.00
Unit Price
per 
SOLD OUT
Hidden Hidden 971 Jockstrap-Thong Color Black
Regular Price
£8.00
Sale Price
£8.00
Regular Price
£13.00
Unit Price
per 
JOR JOR 0817 Neon Boxer Briefs Color Black
Regular Price
£7.00
Sale Price
£7.00
Regular Price
£0.00
Unit Price
per 
Pikante Pikante PIK 9293 Unique Jockstrap Color White
Regular Price
£4.00
Sale Price
£4.00
Regular Price
£0.00
Unit Price
per 
SOLD OUT
Pikante Pikante PIK 8733 Great Briefs Color White
Regular Price
£8.00
Sale Price
£8.00
Regular Price
£13.00
Unit Price
per 
Private Structure Private Structure PBUZ3748 Platinum Bamboo Contour Briefs Color Blush
Regular Price
£18.00
Sale Price
£18.00
Regular Price
£0.00
Unit Price
per 
SOLD OUT
Unico Unico 1905010021300 Boxer Briefs Matrix Color White
Regular Price
£7.00
Sale Price
£7.00
Regular Price
£0.00
Unit Price
per 
Clever Clever 2439 Kalderash Boxer Briefs Color Black
Regular Price
£7.00
Sale Price
£7.00
Regular Price
£0.00
Unit Price
per 
Papi Papi 626185-962 Cool2 2PK Solid Boxer Briefs Color Black-Gray
Regular Price
£7.00
Sale Price
£7.00
Regular Price
£0.00
Unit Price
per 
Papi Papi 626185-982 Cool2 2PK Solid Boxer Briefs Color Black-Red
Regular Price
£7.00
Sale Price
£7.00
Regular Price
£0.00
Unit Price
per 
Unico Unico 1908010016859 Trunks Percepcion Color Multi
Regular Price
£7.00
Sale Price
£7.00
Regular Price
£0.00
Unit Price
per 
Doreanse Doreanse 1821-PRN Dorian Boxer Color Printed
Regular Price
£7.00
Sale Price
£7.00
Regular Price
£0.00
Unit Price
per 
Doreanse Doreanse 1792-BLK Athetic Boxer Color Black
Regular Price
£7.00
Sale Price
£7.00
Regular Price
£0.00
Unit Price
per 
Doreanse Doreanse 1792-SMK Athetic Boxer Color Smoke
Regular Price
£7.00
Sale Price
£7.00
Regular Price
£0.00
Unit Price
per 
Doreanse Doreanse 1900-PRN Waves Boxer Color Printed
Regular Price
£7.00
Sale Price
£7.00
Regular Price
£0.00
Unit Price
per 
Xtremen Xtremen 51453C Stripes Trunk Color Green
Regular Price
£7.00
Sale Price
£7.00
Regular Price
£0.00
Unit Price
per 
Xtremen Xtremen 91055 Big Pouch Briefs Color Red
Regular Price
£5.00
Sale Price
£5.00
Regular Price
£0.00
Unit Price
per 
Xtremen Xtremen 51449C Geometric Jacquard Trunk Color Gray
Regular Price
£7.00
Sale Price
£7.00
Regular Price
£0.00
Unit Price
per 
Xtremen Xtremen 51451C Geometric Jacquard Trunk Color Red
Regular Price
£7.00
Sale Price
£7.00
Regular Price
£0.00
Unit Price
per 
Xtremen Xtremen 51449C Geometric Jacquard Trunk Color Petrol
Regular Price
£7.00
Sale Price
£7.00
Regular Price
£0.00
Unit Price
per 
Save 38%
Xtremen Xtremen 91059 Peekaboo Mesh Briefs Color Blue
Regular Price
£8.00
Sale Price
£8.00
Regular Price
£13.00
Unit Price
per 
Xtremen Xtremen 51453C Stripes Trunk Color Turquoise
Regular Price
£7.00
Sale Price
£7.00
Regular Price
£0.00
Unit Price
per