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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JOR JOR 1933 Garoto Bikini Color Blue
$9.95
$9.95
$15.30
Save 35%
JOR JOR 1940 Athletic Trunks Color Blue
$16.75
$16.75
$25.77
Save 15%
JOR JOR 1941 Athletic Briefs Color Blue
$24.22
$24.22
$28.49
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JOR JOR 1951 Element Boxer Briefs Color Blue
$18.04
$18.04
$27.76
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JOR JOR 1952 Element Briefs Color Blue
$18.04
$18.04
$27.76
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JOR JOR 1953 Element Bikini Color Blue
$16.75
$16.75
$25.77
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JOR JOR 1934 Dante Bikini Color Black
$9.95
$9.95
$15.30
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JOR JOR 1966 Dakar Bikini Color Black
$16.75
$16.75
$25.77
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JOR JOR 1969 Oporto Bikini Color Black
$16.75
$16.75
$25.77
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ErgoWear ErgoWear EW1655 SLK Boxer Briefs Color Navy Blue
$34.17
$34.17
$40.20
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ErgoWear ErgoWear EW1659 SLK Boxer Briefs Color Burgundy
$34.17
$34.17
$40.20
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ErgoWear ErgoWear EW1663 SLK Boxer Briefs Color Black
$34.17
$34.17
$40.20
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Pikante Pikante PIK 0834 Dirty Athletic Pants Color Black
$44.79
$44.79
$52.69
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ErgoWear ErgoWear EW1696 FEEL SW Swim Trunks Color Pink Leaves
$39.70
$39.70
$61.07
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ErgoWear ErgoWear EW1698 FEEL SW Swim Trunks Color Abstract Blue
$52.17
$52.17
$61.38
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Clever Clever 1579 Coque Briefs Color Orange
$21.92
$21.92
$33.73
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Clever Clever 1560 Malba Boxer Briefs Color Green
$24.51
$24.51
$37.71
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Clever Clever 1561 Malba Briefs Color Green
$9.95
$9.95
$15.30
Save 35%
Clever Clever 1580 Emotion Trunks Color Gray
$23.22
$23.22
$35.72
Save 35%
Clever Clever 1561 Malba Briefs Color Grape
$9.95
$9.95
$15.30
Save 15%
Clever Clever 1572 Brilliant Trunks Color Black
$31.70
$31.70
$37.29
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ErgoWear ErgoWear EW1676 MAX FLOW Jockstrap Color Smoke Green
$22.56
$22.56
$34.71
Save 15%
ErgoWear ErgoWear EW1680 MAX FLOW Boxer Briefs Color Smoke Green
$34.26
$34.26
$40.30
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ErgoWear ErgoWear EW1681 MAX FLOW Jockstrap Color Gray
$22.56
$22.56
$34.71
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ErgoWear ErgoWear EW1690 MAX FLOW Boxer Briefs Color Black
$34.26
$34.26
$40.30
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JOR JOR 2077 Army Briefs Color Wine
$16.75
$16.75
$25.77
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JOR JOR 2078 Winter Long Johns Color Red
$21.92
$21.92
$33.73
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JOR JOR 2081 Dublin Briefs Color Printed
$29.83
$29.83
$35.09
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JOR JOR 2077 Army Briefs Color Green
$16.75
$16.75
$25.77
Save 35%
JOR JOR 2078 Winter Long Johns Color Black
$21.92
$21.92
$33.73