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Print Neon Strikes
Introducing Neon Strikes - Where Bold Meets Comfort
Make a statement with our limited-edition Neon Strikes colorway, featuring an electrifying combination of deep purple and vibrant hot pink accents that bring serious energy to your everyday essentials. This eye-catching design isn't just about looking good—it's engineered for all-day comfort and performance.
Why You'll Love Them:
Our trunk is specifically designed for shorter guys or those with slimmer legs, featuring a 4-inch inseam that provides the perfect proportions for your build. With a streamlined design, you get a smooth, minimalist fit that eliminates bulk and provides unrestricted comfort from morning to night.
Our innovative 3D Comfort Pouch features hidden elastic architecture that contours naturally to your body, keeping everything perfectly supported without compression or adjustment throughout the day.
Say goodbye to the dreaded ride-up and chafing. Our UltraGlyde™ panels are strategically placed along the inner thighs to ensure your trunks stay exactly where they should, whether you're at your desk, at the gym, or on the move.
Sustainable Luxury:
Crafted from super soft bamboo viscose (95% bamboo viscose, 5% spandex), these trunks feel incredible against your skin while actively wicking away moisture to keep you cool and dry. Plus, they're produced using an eco-friendly closed-loop system, so you can feel good about your choice.
Risk-Free Confidence:
Try them with our First Pair Guarantee—if you don't absolutely love them, they're FREE. Mix and match sizes, colors, or styles to create your perfect multi-pack.
Limited edition Neon Strikes colorway—grab yours before they're gone.
We aim to dispatch your order 1-2 business days after placing your order.
Free shipping, no minimum spend.
NSW, VIC & QLD: approx. 1-3 business days after dispatch. WA, NT, TAS: approx. 2-4 business days after dispatch.
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, within 30 days.
Unworn items in original packaging can be returned or exchanged within 30 days of delivery.
Size chart
Measure around your natural waistline, tape snug but not tight.
On a line or between sizes? Size up. Tap a row to select that size.
We didn't just make underwear. We reinvented it.
Friction-resistant panels prevents chafing and ride-up, ensuring all-day comfort for your thighs. No more adjusting.
Anatomically designed pouch keeps everything separated and supported, reducing friction and sweating.
Advanced sweat-wicking tech keeps you dry and comfortable, even during the hottest days or toughest workouts.
26M+ Pairs Sold
7,550 5-Star Reviews
2M+ Happy Customers
What customers say about our Trunks.
4.7 from 8,718 reviews of this product
All made from bamboo viscose with anti-chafe Ultraglyde panels. Pick the length and fit that suits you.
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Suits thinner legs. Good for shorter guys.

Love them or they're free. If you don't love your first pair, we'll give you a full refund.
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 colours. Tumble dry low or line dry in the shade. Do not bleach, iron, or dry clean to maintain the quality of the bamboo fabric.