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Yacht Rocks!
Volumes 4 & 5 out now

New Release - Commandos
Don't go commando, get Commandos.

True Maroon vs. Vivid Blue
Maroon vs. Blue. Pick your side.

Yacht Rocks Vol. 3
Nautical Stripes in sage green.

Capri Yellow Women's Matching Set
Refreshingly comfortable.

CloudPress Pro
Compression that actually breathes.

Socks - Back In Stock!
Comfy & Durable 🌿

NiteKnit Sleepwear
Engineered for Rest & Recovery
Low as $20
Select Quantity
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Add more pairs to unlock Mixed Colours bundles
Locked and loaded, made for you.
The Commandos bikini brief brings that same bold, battle-ready camo print to your everyday drawer, with deep charcoal and slate grey layered up for a look that's as tough as it is flattering. Cut for moderate coverage and all-day comfort, this is the SmoothFit brief that disappears under everything from jeans to activewear.
Why You'll Love It
Seamless, so there's nothing to dig in, ride up, or remind you it's even there. Our bamboo viscose keeps things breathable and moisture-wicking, while staying buttery soft against your skin from the first wear. It's the kind of brief you forget you're wearing, which is exactly the point. Sustainably made, so it's as easy on the planet as it is on you.
Premium Features
First Pair Guarantee: love 'em, or they're free.
We aim to dispatch your order 1-2 business days after placing your order.
Free shipping, no minimum spend.
GENERAL SHIPPING TIMES:
NSW, VIC & QLD = approx. 1-3 business days after dispatch.
WA, NT, TAS = approx. 2-4 business days after dispatch.
We offer international shipping to selected countries, which is shown at checkout. International shipping may vary based on local fulfilment.
We are so confident you'll love your Step Ones, we'll give you a FULL REFUND on your FIRST PAIR if you don't like them for whatever reason.
Enter your measurements to get a size recommendation.
Measure around your natural waistline.
We recommend size
Step One underwear is designed for comfort. If you are between sizes, we recommend sizing up.
Underwear so comfortable, you'll forget you're wearing it.
Our SmoothFit™ technology provides a completely seamless finish, meaning no visible lines and no digging in.
Designed for everyday wear, providing a soft touch against your skin while staying perfectly in place.
Naturally hypoallergenic bamboo viscose is gentle on sensitive skin and prevents irritation.

Trust Score 4.5/5
Compare our styles to find your perfect fit.






Love them or they're free. If you don't love your first pair, we'll give you a full refund.