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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

Martin showing what he can do when the waves are bigger than ankle high! Ripping!! https://t.co/WTyXhIfhjV
Leon unleashing! https://t.co/DY8bIkyAdu
Yeah Moritz! https://t.co/2PxTtdkIw2

3SW freestyle-wave fin

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The Push Loop with Andy King.

Introducing the 3SW Freestyle-wave fin…

Definitive toe-in guide…

New ‘LEON’ rear quad fins.

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