your browser is not supported

To use ASOS, we recommend using the latest versions of Chrome, Firefox, Safari or Internet Explorer

Men's Underwear

It's what's on the inside that counts, so make sure you make the most of it with our collection of men's underwear. Discover styles that walk the line between feeling comfy and looking great - no compromises here. Take your pick from a range of boxers. You'll find easy jersey, satin and cotton, plus checks, bold prints, and classic color palettes for wherever your mood takes you. Browse our brands if you want to grab that branded waistband, too - who doesn't remember their first pair of iconic Calvin's? ASOS DESIGN ticks every box, covering those underwear essentials and throwing a range of cuts into the mix, or check out River Island if you're all about playing with prints. From Nike's sportswear vibes, to comfy jersey trunks and briefs, get the underwear right and the rest will follow.

183 styles found

ASOS DESIGN 5 pack trunk in black with amore branded waistbandsave

$32.00

ASOS DESIGN 3 pack short trunks in black save

$19.00

ASOS DESIGN 3 pack trunks in black with dark future branded waistband save

$19.00

ASOS DESIGN trunk with mesh panels

$8.00

ASOS DESIGN 5 pack trunks in black organic cotton save

$32.00

ASOS DESIGN 3 pack trunks in black organic cotton save

$19.00

ASOS DESIGN jock strap in black

$8.00

ASOS DESIGN 7 pack trunks in black organic cotton save

$42.00

ASOS DESIGN 3 pack short trunks in monochrome save

$19.00

ASOS DESIGN short trunks in black and white with branded waistband

$19.00

ASOS DESIGN trunk with hamster in space in microfibre

$8.00

ASOS DESIGN 3 pack jersey boxers in black and white with branded waistband save

$24.00

River Island hipsters in blue 5 pack

$35.00

River Island trunks with floral print 5 pack

$35.00

Calvin Klein 4 pack cotton classic briefs in multi

$39.50

Calvin Klein 3 pack woven boxers in gray

$39.50

Jack & Jones stripe 3 pack trunks

$34.00

Jack & Jones 3 pack trunks with branded waistband

$34.00

Calvin Klein 3 pack cotton classic boxer briefs in white

$39.50

Calvin Klein 3 pack cotton classic boxer briefs in black

$39.50

ASOS DESIGN trunk in black with mesh panels and striped waistband

$8.00

ASOS DESIGN boxers with satin feel in paisley print

$9.50

ASOS DESIGN trunk with varsity boston back placement

$8.00

ASOS DESIGN 3 pack trunks with repeat slogan in monochrome save

$19.00

ASOS DESIGN tanga jock strap in black

$8.00

ASOS DESIGN jock strap with leg strap in black

$8.00

ASOS DESIGN jock strap in black with mesh panels

$9.50

ASOS DESIGN jock strap in black and burgundy with contrast piping

$8.00

New Look trunks in black 3 pack

$16.00

ASOS DESIGN 5 pack short trunks in black save

$32.00

New Look trunks in gray 3 pack

$16.00

ASOS DESIGN 5 pack short trunks in black in organic cotton save

$32.00

Calvin Klein 4 pack cotton classic briefs in black

$39.50

Weekday Dylan Rib trunks in white

$11.50

Emporio Armani 3 pack logo trunks in black and red

$50.00

Abercrombie & Fitch 3 pack logo waistband trunks in black

$64.00

Abercrombie & Fitch 3 pack logo waistband trunks in white/gray/black

$64.00

Abercrombie & Fitch 3 pack all over icon logo print trunks in black/gray/navy

$64.00

Diesel 3 pack contrast waistband trunks in black

$57.00

Selected Homme 3 pack trunks in black

$42.00

ASOS DESIGN 7 pack trunks in black save

$42.00

Emporio Armani 3 pack trunks with color text waistband in black

$57.00

Jack & Jones 3 pack woven boxers in black

$41.00

ASOS DESIGN 5 pack jersey boxers black save

$40.00

ASOS DESIGN briefs in white mesh

$9.50

ASOS DESIGN briefs in wide mesh in black

$9.50

ASOS DESIGN 3 pack jersey boxers in black save

$24.00

ASOS DESIGN 3 pack trunks in dinosaur playing cards print save

$19.00

ASOS DESIGN 3 pack short trunks in monochrome save

$19.00

Jack & Jones 3 pack trunks with contrast waistband

$34.00

ASOS DESIGN 3 pack short trunks in black save

$19.00

ASOS DESIGN 3 pack Plus jersey boxers in black save

$24.00

Diesel 3 pack retro logo trunks in multi

$57.00

River Island hipsters with monogram checks in multi colors 5 pack

$35.00

ellesse Hali 3 pack trunks with multi logo in black

$31.00

Hollister 5 pack trunks logo waistband in navy/gray solid & black/navy/navy seagull print

$34.95

Diesel 3 pack contrast waistband trunks in multi

$57.00

Diesel 3 pack neon contrast waistband trunks in black

$57.00

ellesse Hali 3 pack trunks in black

$31.00

ellesse Hali 3 pack trunks in black/gray/white

$31.00

ASOS DESIGN jock strap with navy and gray cut and sew panels

$9.50

ASOS DESIGN short trunk in black with stripe mesh side panels

$8.00

ASOS DESIGN 3 pack trunks in gray marl with branded waistband save

$19.00

ASOS DESIGN 3 pack trunks in dark gray marl organic cotton with branded waistband save

$19.00

Diesel 3 pack jockstrap with rainbow logo in multi

$51.00

ASOS DESIGN onesie in black & white cut & sew

$56.00

Diesel logo 3 pack jockstrap in black

$51.00

Diesel 3 pack cotton stretch trunks in multi

$55.00

ASOS DESIGN 5 pack Plus trunks in black organic cotton save

$32.00

ASOS DESIGN jersey boxer in black

$9.50

Diesel Shawn 3 pack trunks in red black and blue

$57.00

Lacoste colors trunks 3 pack multi gray black white

$57.00

You've viewed 72 of 183 products