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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

For our latest fitness blog post we caught up with Adam Lewis just before his flight to GC, to see how he's prepari… https://t.co/y7IEwyPo1C
Sweet edit Pablo and SaltyDrops Pictures. https://t.co/ROqxQ0xTq7
Alex getting some epic pre contest season training in! https://t.co/uOj1WWmyUS

3SW freestyle-wave fin

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Adam Lewis, a day in the life.

K4 Fins under water by Si Crowther

K4 Fitness – Pro sailor training tips

Blazing Fireballs!

Fin speed testing update.

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