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Ideal for running, the incredibly lightweight and breathable Vent range are made from a nylon blend which is ultra-soft and sweat-wicking. Lightweight in material but not in features; it boasts a whole host of tech including AirVentT AirBeams which is teamed with the ribbed arch support 180 Hold. And of course, the Vent is engineered with comfort features ensuring no blisters are in sight.

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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.

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