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Underwear packed with smart patent-pending technology

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Socks packed with smart patent-pending technology

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Use this option if you want to remove your personal and other data from our store. Keep in mind that this process will delete your account, so you will no longer be able to access or use it anymore.

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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