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Specialising in innovative & revolutionary performance wave, freestyle & speed fins. Our fins are unique to windsurfing. They're made using plastic composite - giving them extra flex, reflex & outstanding performance.

Email: bigyellow@k4fins.com
Phone: +44 7812 399723

We love the Pozo training diaries! 'Spray of the day' is back! Eeeuuushhhhh 😂 https://t.co/x3xlPq6elf
The cogs are turning again. We're set up and running in the new location.
Nic Hibdige K-700 looking on form in his first heat in Bonaire! Good luck for the rest of the comp. Catch the live… https://t.co/zf9FvP6VIe

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K4 Fitness – Kettlebell training for windsurfers.

Team rider fin tuning 2018.

Pozo fins!

Adam Lewis, a day in the life.

K4 Fins under water by Si Crowther

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