Underwear...with an Attitude.

Men's Underwear and Sleepwear

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.

SALE

ErgoWear

ErgoWear EW0793 MAX Modal Boxer Briefs Color Scarlet

$22.01
$29.34
SALE

ErgoWear

ErgoWear EW0804 FEEL Modal Boxer Briefs Color Scarlet

$17.67
$23.56
SALE

ErgoWear

ErgoWear EW0800 FEEL Modal Boxer Briefs Color Navy

$17.67
$23.56
SALE

ErgoWear

ErgoWear EW0801 FEEL Modal Boxer Briefs Color Navy

$20.24
$26.98
SALE

ErgoWear

ErgoWear EW0805 FEEL Modal Boxer Briefs Color Scarlet

$20.24
$26.98
SALE

ErgoWear

ErgoWear EW0785 MAX Modal Boxer Briefs Color Smoke

$22.01
$29.34
SALE

ErgoWear

ErgoWear EW0788 MAX Modal Boxer Briefs Color Navy

$19.70
$26.26
SALE

ErgoWear

ErgoWear EW0789 MAX Modal Boxer Briefs Color Navy

$22.01
$29.34
SALE

ErgoWear

ErgoWear EW0784 MAX Modal Boxer Briefs Color Smoke

$19.70
$26.26
SALE

ErgoWear

ErgoWear EW0792 MAX Modal Boxer Briefs Color Scarlet

$19.70
$26.26
SALE

ErgoWear

ErgoWear EW0797 FEEL Modal Boxer Briefs Color Smoke

$20.24
$26.98
SALE

ErgoWear

ErgoWear EW0796 FEEL Modal Boxer Briefs Color Smoke

$17.67
$23.56
SALE

Clever

Clever 5381 Cattleya Piping Briefs Color Black

$22.87
$30.49
SALE

Clever

Clever 2381 Cattleya Piping Boxer Briefs Color Black

$23.23
$30.98
SALE

Clever

Clever 2382 Lily Latin Boxer Briefs Color Black

$16.34
$21.78
SALE

Clever

Clever 5382 Lily Piping Briefs Color Black

$16.34
$21.78
SALE

Clever

Clever 5229 Alpine Piping Briefs Color Black

$19.60
$26.14
SALE

Clever

Clever 5232 Begonia Piping Briefs Color Black

$21.42
$28.56
SALE

Clever

Clever 2383 Cosmos Boxer Briefs Color Blue

$27.23
$36.30
SALE

Clever

Clever 5383 Cosmos Classic Briefs Color Blue

$25.77
$34.36
SALE

Clever

Clever 2384 Lotus Boxer Briefs Color Blue

$27.23
$36.30
SALE

Clever

Clever 5384 Lotus Piping Briefs Color Blue

$25.77
$34.36
SALE

Clever

Clever 0679 Daisy Athleta Swim Trunks Color Coral

$70.13
$93.50
SALE

Clever

Clever 0312 Aster Long Johns Color Gray

$33.00
$44.00
SALE

Clever

Clever 0677 Jasmine Athleta Swim Trunks Color Green

$70.13
$93.50
SALE

Clever

Clever 0312 Aster Long Johns Color Green

$33.00
$44.00
SALE

Clever

Clever 0678 Clover Athleta Swim Trunks Color Orange

$70.13
$93.50
SALE

Clever

Clever 2381 Cattleya Piping Boxer Briefs Color White

$23.23
$30.98
SALE

Clever

Clever 5381 Cattleya Piping Briefs Color White

$22.87
$30.49
SALE

Clever

Clever 2382 Lily Latin Boxer Briefs Color White

$16.34
$21.78
SALE

Clever

Clever 5382 Lily Piping Briefs Color White

$16.34
$21.78
SALE

Clever

Clever 5229 Alpine Piping Briefs Color White

$19.60
$26.14
SALE

Clever

Clever 5232 Begonia Piping Briefs Color White

$21.42
$28.56
SALE

CandyMan

CandyMan 99199 Boxer Briefs Color Black

$13.60
$24.73
SALE

CandyMan

CandyMan 99220 Swim Trunks Color Black

$20.86
$37.93
SALE

CandyMan

CandyMan 99199 Boxer Briefs Color Red

$13.60
$24.73
SALE

CandyMan

CandyMan 99227 Briefs Color Black

$13.00
$23.63
SALE

CandyMan

CandyMan 99230 Boxer Briefs Color Black

$14.81
$26.93
SALE

CandyMan

CandyMan 99229 Briefs Color Blue

$13.60
$24.73
SALE

CandyMan

CandyMan 99229 Briefs Color Gray

$13.60
$24.73
SALE

CandyMan

CandyMan 99230 Boxer Briefs Color Red

$14.81
$26.93
SALE

CandyMan

CandyMan 99227 Briefs Color Turquoise

$13.00
$23.63
SALE

CandyMan

CandyMan 99239 Briefs Color Turquoise

$11.18
$20.33
SALE

CandyMan

CandyMan 99195 Briefs Color Black

$9.37
$17.03
SALE

CandyMan

CandyMan 99203 Briefs Color Black

$13.60
$24.73
SALE

CandyMan

CandyMan 99224 Swim Trunks Color Black

$26.31
$47.83
SALE

CandyMan

CandyMan 99195 Briefs Color Green

$9.37
$17.03
SOLD OUT

CandyMan

CandyMan 99195 Briefs Color Pink

$9.37
$17.03

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