Boxer Brief Fly

$29.70/pair $118.80 for 4 pairs Save 10%

Anti-chafe bamboo boxer briefs with an easy-access front fly. 6" inseam.

Size

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1
  • Free shipping
  • 30-day First Pair Guarantee
  • 3D Comfort Pouch hidden elastic keeps everything supported, all day
  • UltraGlyde™ anti-chafe panels legs stay put, no ride-up
  • Organically grown bamboo viscose soft, breathable and moisture-wicking
  • 30-day First Pair Guarantee love them or they're free
Description

Are you tired of constantly adjusting your underwear throughout the day? Introducing our ultra-comfortable men's Boxer Brief + Fly, a gate for your mate, specifically designed for guys with thicker legs.

Our First Pair Guarantee ensures that you'll love them or they're FREE. The 3D Comfort Pouch features a hidden elastic band that surrounds you perfectly, providing all-day support and comfort. Our UltraGlyde™ ride-up resistant panels ensure that your underwear stays in place, no matter what activities you're engaging in.

Made from a super soft bamboo viscose blend, these underwear not only feel amazing on your skin, but they're also environmentally friendly. The bamboo viscose material wicks away moisture, keeping you feeling fresh and dry all day long. Plus, our bamboo viscose is produced in a closed-loop system, making it a sustainable choice.

With 95% viscose made from bamboo and 5% spandex, these underwear offer the perfect balance of stretch and support. Mix and match sizes, colours, and styles to create your perfect multi-pack. Don't miss out on the ultimate comfort and support of our men's bamboo viscose underwear.

Fit & Fabric
Our Boxer Brief Fly range is made from 95% viscose made from bamboo and 5% spandex. This equals an extremely soft and durable pair of underwear that wicks sweat brilliantly. The sizing is considered "fitted", meaning that if you are in between sizes, we would recommend sizing up.
Shipping

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.

Returns & Guarantee

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.

We Science'd Underwear

We didn't just make underwear. We reinvented it.

  1. Ultraglyde™ Panels

    Friction-resistant panels prevents chafing and ride-up, ensuring all-day comfort for your thighs. No more adjusting.

  2. 3D Comfort Pouch

    Anatomically designed pouch keeps everything separated and supported, reducing friction and sweating.

  3. Sweat Wicking

    Advanced sweat-wicking tech keeps you dry and comfortable, even during the hottest days or toughest workouts.

Greg Taylor - CEO & Founder
Greg Taylor - CEO & Founder

26M+ Pairs Sold

4,616 5-Star Reviews

2M+ Happy Customers

Real Results from Real Customers

What customers say about our Boxer Brief Fly.

Rated 4.7 out of 54.7 from 5,348 reviews of this product

Which Step Ones are right for me?

All made from bamboo viscose with anti-chafe Ultraglyde panels. Pick the length and fit that suits you.

Best seller

Boxer Brief

6″ inseam, from $33

Suits thicker legs. 3D comfort pouch.

Trunk

4″ inseam, from $33

Suits thinner legs. Good for shorter guys.

Boxer Brief Fly

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Boxer Brief Fly

6″ inseam, from $33

Easy access front fly. 3D comfort pouch.

30-day First Pair Guarantee

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

Frequently Asked Questions

What is the Step One Boxer Brief Fly made of?

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.

How does the Ultraglyde™ panel work?

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.

What is the 3D Comfort Pouch?

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.

How does the First Pair Guarantee work?

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.

How should I wash them?

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.