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X-Fly Easy Access that makes sense

The Crossfly Performance Series underwear is designed to provide maximum comfort and support for any activity level. The unique X-Fly Easy Access makes it easy for you to answer nature's call without having to remove your underwear even when you're in a rush. Plus, our anti-microbial fabric used within the performance boxers’ range is treated so that unwanted smells are eliminated and as a result, you’ll stay fresher for longer. 

Performance Underwear With A ZeroFold 360 Waistband

The Crossfly Performance Series also features aZeroFold 360 Waistband, designed to provide complete comfort and a secure fit. The waistband stays in place and moves with you no matter how active you are.

You can move freely with confidence, knowing that your underwearwon’t require adjusting throughout your day. Whether you are going on a run or putting in some time at the gym, these are the performance boxers that every man should have in their wardrobe.

The best performance underwear for unrivalled support

These performance boxers also featureour Coccoon technology, designed to provide unrivalled support and prevent chafing on even the most action-packed days. The Coccoon internal pocket device provides a gentle lift for your privates and this support offers extra comfort and airflow so you remain at your best all day long. Whether you're running, doing a HIIT workout or lifting weights in the gym, the Crossfly Performance Series will provide you with comfortable support throughout your day.

Get started with the ultimate performance boxers and make sure even your most active day is a comfortable one! 

Money Back Guarantee

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

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.