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Comfortable Men's Underwear

6" Boxers

Longer + Fly

3" Trunks

Shorter + Fly

7" Boxers

Sports + Fly

Crew Socks

Long

Low Cut Socks

Short

No Show Socks

Shortest

Money back guarantee

Love them, or we'll refund or exchange your first order.

Read Reviews
Our Technology
Sustainability

Extremely comfortable, keeping everything in place. The material is superb. They are a joy to wear.

Peter Cordwell, Feb 2022

Experience all-day comfort with Crossfly Men's Underwear

Easy Access With X-Fly Technology

The ultimate choice in men's undergarments. Our revolutionary X-Fly Easy Access Technology ensures convenience without compromising style, making it the best underwear for men. The patented X-Fly allows you to quickly and easily answer nature's call wherever you are.

Comfortable & Sustainable Modal Material

Crafted from sustainable Modal material, our Premium Men’s Underwear from the Everyday series combines ultimate comfort, breathability, and eco-friendliness. The soft, lightweight fabric is perfect for extended wear, keeping you cool and dry on busy days while providing essential support.

Look no further for the most comfortable men's underwear – Crossfly sets the standard.

The ZeroFold360 Waistband and Cocoon

The ZeroFold360 Waistband and Cocoon support enhance practicality and overall comfort. The premium fabric of the ZeroFold360 waistband hugs your body, ensuring it never rolls or folds. With a brushed finish inside, our underwear delivers the quality and comfort expected from premium men's underwear.

Trust in Crossfly Premium Men’s Underwear for maximum comfort and unrivaled support, preventing chafing even on the most action-packed days. Shop for the best men's underwear today and elevate your comfort to new heights!

Crossfly has been a vision of a small team of sporting product professionals from the UK and America. Together, we have acquired decades of experience working in the Sports industry for global brands within Marketing and Product Innovation. After a few false starts, some legal issues, a eureka moment, and a global Pandemic Crossfly was finally ready to get going.


WE'VE RAISED THE BAR and deliver the most comfortable underwear and socks you will ever wear; packed with patent pending technologies and features that offer ultimate comfort whatever you're doing. GAME. CHANGED.

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