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Specialising in innovative & revolutionary performance wave, freestyle & speed fins.
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Redefining wave performance

Redefining wave performance

K4 Fins is the leading innovator in wavesailing fins.

Find out more Shop The Fins
Soar to new heights

Soar to new heights

K4 Fins allow you to ride the right fins to reach your potential

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Put the power down

Put the power down

K4 Fins offer a completely new & exciting windsurfing feel.

Find Out More Shop The Fins
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Team rider videos
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Fin model guide
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Fin specs
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Toe in guide
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Stockist list
New Products

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Harness mount kit Harness mount kit
Add to basket
Harness mount kit
 £54.00
scorcher front Scorcher front
Options
Scorcher Fronts
 £19.95
K4 Fins team ECO JUMPER GREY K4 Fins team ECO JUMPER GREY
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K4 Fins grey eco Jumper
 £25.00
K4 Fins team ECO JUMPER BLACK K4 Fins team ECO JUMPER BLACK
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K4 Fins eco Jumper
 £25.00
Full frother T Full frother T design
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K4 Fins ‘Full Frother’ eco T-shirt
 £18.00
Options
Deep Tuttle Spacer
 £10.00
Options
Asymmetric Incinerator
 £39.90
Options
Incinerator Fronts
 £19.95
Options
Incinerator Rears
 £39.90
Options
Dugong Fronts
 £19.95
Options
Dugong Rears
 £39.90
Add to basket
Footstrap screws.
 £9.95
Options
SharkII Fronts for RRD
 £19.95
Options
Scorcher Rears for RRD
 £39.90
Options
3SW freestyle-wave fin for RRD
 £59.90
M6 MT M6 MT
Options
M6 fin bolts for Minituttle, Powerbox and Tuttle.
 £2.00 – £2.70
Shark front Shark front slot head
Options
,
Shark Fronts – half price!
 £7.45
ZBD ZBD fin head
Options
ZBD Freestyle Fin
 £47.50
Scorcher
Options
Scorcher Rears
 £39.90
Shark2SB1º Shark2-sb1º
Options
SharkII Fronts
 £19.95
Ezzy asymmetric Ezzy slot head
Options
Ezzy Asymmetric
 £39.90
K4 Fins 3SW freestyle wave fin power
Options
3SW freestyle-wave fin
 £49.90 – £59.90
K4 Fins Fang free ride fin
Options
FANG Freeride fin
 £69.90
Leon super stiff
Options
Leon Rears
 £39.90
Options
Surf rear fins
 £12.95
K4 Fins Shark asymmetric 7cm. Shark asymmetric 7cm slot head
Options
Ezzy Asymmetric 7cm Shark
 £29.95
K4 Fins Flex rear fin. K4 Fins Flex rear fin US head
Options
Flex Rears
 £29.90
Stubby rear fin
Options
,
Stubby Rears – 33% off!
 £19.90
Stubby front fin Stubby slot box
Options
Stubby Fronts
 £14.95
Rocket front Rocket front US head
Options
,
Rocket Fronts – half price!
 £7.45
Rocket rear Rocket US head
Options
,
Rocket Rears – 33% off!
 £19.90
k4 fins surf front surf front logo
Options
Surf front fins
 £25.90
SUP race fin K4 Fins SUP race.
Options
SUP Race Fin
 £39.00
10cm slot box blanker 10cm slot box blanker
Options
Blankers
 £2.50 – £10.00
US nut and bolt US plate and screw
Options
US screw and plate
 £7.50 – £13.00
K4 Fins team ECO Tshirt K4 Fins team ECO Tshirt
Options
K4 Fins eco T-shirt
 £18.00
K4 Fins team ECO HOODIE BLACK K4 Fins team ECO HOODIE BLACK
Options
K4 Fins eco Hoody
 £35.00
Fin case Fin case
Add to basket
K4 Fins case
 £39.90
K4 Fins Bubble signature fin.
Options
Bubble Freestyle Fin
 £42.50
Get K4 On Your Board.
Our fins are lighter, looser and grippier than anything else on the market with test winning performance. Check out our fin guide to help you dial in your board for ultimate performance.
Fin Guide Stockists
Best Sellers

Browse Our Best Sellers

K4 Fins Bubble signature fin.
Options
Bubble Freestyle Fin
 £42.50
Fin case Fin case
Add to basket
K4 Fins case
 £39.90
K4 Fins team ECO HOODIE BLACK K4 Fins team ECO HOODIE BLACK
Options
K4 Fins eco Hoody
 £35.00
K4 Fins team ECO Tshirt K4 Fins team ECO Tshirt
Options
K4 Fins eco T-shirt
 £18.00
US nut and bolt US plate and screw
Options
US screw and plate
 £7.50 – £13.00
10cm slot box blanker 10cm slot box blanker
Options
Blankers
 £2.50 – £10.00
SUP race fin K4 Fins SUP race.
Options
SUP Race Fin
 £39.00
k4 fins surf front surf front logo
Options
Surf front fins
 £25.90
Thomas Traversa
Emilio Galindo
Emilio Galindo Barquín
Graham Ezzy backside float.
Graham Ezzy
Miguel Chapuis
Miguel Chapius
Takara Ishii
Takara Ishii
Titouan Flechet
Titouan Flechet
Tobias Bjørnaa
Alex grand-guillot tile
Alex Grand-Guillot
Sol Degrieck
Hayata Ishii
Mads Bjørnå Nielsen
Alex getting loose
Alex Mussolini
Steffi Wahl

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K4 Fins
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

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