A gift that keeps on giving
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Trusted by thousands
Loved by men of all ages, Crossfly underwear is highly rated for its comfort, support and long lasting qualities. Check out the 2560+ verified customer reviews online.
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READY WHEN NATURE CALLS
Our X-Fly™ design gives you quick, discreet access — no awkward moments, no hassle. Designed to hide drips & mishaps. Maybe your dad will thank you ;)
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CHAFE-FREE COMFORT
Our COCCOON™ pouch keeps everything perfectly in place — no rubbing, no distractions. It’s like a caddie for your crown jewels, gently supporting you throughout the day.
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Luxuriously soft
Made from sustainably sourced modal, it’s smoother than cotton and incredibly breathable. Plus, they will wash, and still thrive at 100+ washes. It's a win win!
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Premium Waistband
Our Zerofold360 technology delivers 4-way stretch with a brushed inside finish for next-to-skin comfort. Built to move with you during active and relaxed days.
Select a VIP box
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VIP Membership – The Boxers Box (6 inch)
Regular price CHF 50.00Regular priceUnit price per -
VIP Membership – The Trunks Box (3 inch)
Regular price CHF 50.00Regular priceUnit price per
Why Crossfly underwear?
Hear from the founder Duncan on why Crossfly is comfortably the best.
FAQ's
What size should I buy?
Longer 6" IKON Boxers – Fits slightly large due to it's comfortable soft modal fabric. We recommend sizing down for a comfortable fit.
Shorter 3" IKON Trunks – As with the 6" IKON Boxers, the shorter 3" Trunks fit slightly larger. These shorter trunks sit lower on the waist too for a trendier look.
If in doubt, drop us an email at hello@crossfly.com and we'll get right back to you!
What's in the VIP Membership Box?
Content of the VIP Boxes:
Once you subscribe to a VIP box, you will receive 3 pairs of Crossfly underwear, chosen at random.
All you have to do is choose the length – Shorter 3" Trunks OR Longer 6" Boxers.
How often will I receive them?
Every 4 months
Can I amend my subscription?
Yes!
Once you have completed your purchase, a link will be sent to you to access the subscription portal.
If you have any issues accessing this or lose your email, just pop us an email at hello@crossfly.com with your order number and a member of the team will help you with your subscription. You can pause, delay, or cancel at any time.
What if I order the wrong size?
No problem. If it's your first order, you're covered by our Money Back Guarantee – just reach out and we’ll help with a free return or exchange for the right size.
Can I return my order?
Yes. You can return any item in its original condition within 14 days of delivery. Email us at hello@crossfly.com with your order details and reason.
First order? You’re covered by our Money Back Guarantee – we’ll cover the return and refund you in full.
Repeat order? You’ll need to cover return shipping unless the item is faulty or incorrect.