Men's Underwear - Trunk

Filters

24 products

Best Seller

Trunk - Midnight Blues

$28.50

Buy Underwear Online at Step One | The best anti-chafe underwear

Trunk - Black Currants

$28.50

Trunk - Ahoy Sailor

$28.50

Trunk - Smoking Gun

$28.50

Trunk - Scorpians

$28.50

Trunk - Uranus

$28.50

Buy Mens Underwear Online at Step One US

Trunk - Jungle Bitz

$28.50

Trunk - U-Up?

$28.50

Trunk - Pea-cock's

$28.50

Trunk - Ice Cubes

$28.50

Trunk - Butter Nuts

$28.50

Trunk - Juicy Plums

$28.50

Trunk - Yankee Doodles

$28.50

Trunk - Smashed Avo

$28.50

Trunk - Snowballs

$28.50

Trunk - Twin Boosters

$28.50

Trunk - Snow Worries

$28.50

Trunk - Skid Marks

$28.50

Trunk - Infernos

$28.50

Trunk - Cherry Cheeks

$28.50

Trunk - Bubble O' Balls

$28.50

Trunk - Ken Ell

$28.50

Trunk - Cowabungas

$28.50

Trunk - Donald Trunks

$28.50

Free shipping

Step One offers free standard shipping on all orders!

Customer service

Buy with confidence, our dedicated customer service team is available 24/7 to answer any questions you have!

First Pair Guarantee

We are so confident you'll love your Step Ones, we'll give you a full refund on your first opened and worn pair if you don't like them for any reason.

Easy Returns

Picked the wrong size by mistake? No problem. On top of our first pair guarantee we also offer free returns/exchanges on all unopened products.