

Crocz
Green gator print, across men's, women's, and kids' styles.

My Love is the Sea
Swallows mid-flight, roses in bloom, ships riding the swell

New Melange Range
Stonewash Grey & Desert Sage

Commandos
Don't go commando, get Commandos.

CloudPress Pro
Compression that actually breathes

Yacht Rocks Vol. 3
Classic nautical stripes in timeless sage green.

New Release - X-Cup!
Jockstraps haven't changed in decades. Until now.

NiteKnit Sleepwear
Engineered for rest & recovery
Low as £10.40
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Add more pairs to unlock Mixed Colours bundles
Limited to one per order
Introducing the Women's SmoothFit Boyleg, your new go-to for everyday comfort. Designed to move with you, this boyleg underwear features a seamless, second-skin fit that disappears under clothing. Whether you're lounging, working, or on the move, the SmoothFit Boyleg keeps you feeling fresh and confident all day long.
Crafted from our signature bamboo viscose blend, these boyleg panties are not only eco-friendly but also ultra-breathable, keeping moisture at bay. With its smooth waistband and stay-put design, you'll never have to worry about digging or rolling. Perfect for women who value comfort, style, and sustainability.
Why You’ll Love the SmoothFit Boyleg:
We aim to dispatch your order 1-2 business days after placing your order.
Free shipping, no minimum spend.
GENERAL SHIPPING TIMES:
UK Mainland = approx. 2-3 business days after dispatch.
International shipping is available and calculated at checkout.
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 couldn't match that measurement. Check the size chart below.
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.