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Celebrate our partnership with the NBL. Experience the ultimate in performance underwear. Limited time offer.

65K+ 5 Star Reviews 2M+ Happy Customers
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ENGINEERED FOR
COMFORT

Step One is the Official Underwear Partner of the NBL. It's built for the high and delivers comfort for everyday.

Anti Chafe

Our Ultra-Glyde™ panels prevent skin-on-skin friction, essential for high-intensity movement on the court.

Sweat Wicking

Bamboo Viscose fabric naturally wicks moisture away from the body, keeping you cool and dry under pressure.

3D Comfort Pouch

Keeps everything in place with a supportive 3D pouch that reduces adjustment and maximizes comfort.

Buy 1 Get 1 Free

Limited Time Offer

Love them or they're free
Anti-Chafe Panels
Sweat Wicking
Soft Bamboo Viscose
Progress: 1/2

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*Discount applied at checkout. Free pair is of lesser or equal value.

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30 Days

First Pair Guarantee

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

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Frequently Asked Questions

They are made from high-quality, organically grown Bamboo Viscose. This material is incredibly soft, breathable, and moisture-wicking, keeping you cool and dry all day long.
The Ultraglyde™ panels are friction-resistant panels on the inner thighs that prevent chafing and stop the legs from riding up. They ensure your legs glide past each other rather than rubbing.
Our 3D Comfort Pouch is anatomically designed to keep everything separated and supported. It reduces skin-on-skin contact, friction, and sweating, giving you the support you need without feeling restricted.
We are so confident you'll love your first pair of Step One underwear that if you don't, you can keep them and we'll give you a full refund. No questions asked. This applies to your first single pair purchase.
Machine wash cold with like colors. Tumble dry low or line dry in the shade. Do not bleach, iron, or dry clean to maintain the quality of the bamboo fabric.