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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

Stoked to have José on team yellow fins, he’s been rocking them for a while! https://t.co/l6GeaWKyz8
Check out the full 5 minute clip of Leon at Skeleton Bay! https://t.co/FobGSXTDCU Camera - Jamie Hancock / Julian… https://t.co/3yToYCBNvZ
Thomas ripping up some real world conditions! https://t.co/cfu8zUp5S9

3SW freestyle-wave fin

3SW freestyle-wave fin for RRD

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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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