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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

Find out more Shop The Fins
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

Shop The New Fins

Out of stock! Harness mount kit Harness mount kit
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Harness mount kit
 £54.00
scorcher front Scorcher front
Options This product has multiple variants. The options may be chosen on the product page
Scorcher Front
 £19.95
K4 Fins team ECO JUMPER GREY K4 Fins team ECO JUMPER GREY
Options This product has multiple variants. The options may be chosen on the product page
K4 Fins grey eco Jumper
 £25.00
K4 Fins team ECO JUMPER BLACK K4 Fins team ECO JUMPER BLACK
Options This product has multiple variants. The options may be chosen on the product page
K4 Fins eco Jumper
 £25.00
Full frother T Full frother T design
Options This product has multiple variants. The options may be chosen on the product page
K4 Fins ‘Full Frother’ eco T-shirt
 £18.00
Options This product has multiple variants. The options may be chosen on the product page
Deep Tuttle Spacer
 £10.00
Options This product has multiple variants. The options may be chosen on the product page
Asymmetric Incinerator
 £39.90
Options This product has multiple variants. The options may be chosen on the product page
Incinerator Front
 £19.95
Options This product has multiple variants. The options may be chosen on the product page
Incinerator Rear
 £39.90
Options This product has multiple variants. The options may be chosen on the product page
Dugong Front
 £19.95
Options This product has multiple variants. The options may be chosen on the product page
Dugong Rear
 £39.90
Add to basket
Footstrap screws.
 £9.95
Options This product has multiple variants. The options may be chosen on the product page
,
SharkII Fronts for RRD – 33% Off!
 £13.00
Options This product has multiple variants. The options may be chosen on the product page
,
Scorcher Rears for RRD – 33% Off!
 £26.00
Options This product has multiple variants. The options may be chosen on the product page
,
3SW freestyle-wave fin for RRD – 33% Off!
 £39.90
M6 MT M6 MT
Options This product has multiple variants. The options may be chosen on the product page
M6 fin bolts for Minituttle, Powerbox and Tuttle.
 £2.00 – £2.70
Shark front Shark front slot head
Options This product has multiple variants. The options may be chosen on the product page
,
Shark Fronts – half price!
 £7.45
ZBD ZBD fin head
Options This product has multiple variants. The options may be chosen on the product page
ZBD Freestyle Fin
 £47.50
Scorcher
Options This product has multiple variants. The options may be chosen on the product page
Scorcher Rear
 £39.90
Shark2SB1º Shark2-sb1º
Options This product has multiple variants. The options may be chosen on the product page
SharkII Front
 £19.95
Ezzy asymmetric Ezzy slot head
Options This product has multiple variants. The options may be chosen on the product page
Ezzy Asymmetric
 £39.90
K4 Fins 3SW freestyle wave fin power
Options This product has multiple variants. The options may be chosen on the product page
3SW freestyle-wave fin
 £49.90 – £59.90
K4 Fins Fang free ride fin
Options This product has multiple variants. The options may be chosen on the product page
FANG Freeride fin
 £69.90
Leon super stiff
Options This product has multiple variants. The options may be chosen on the product page
Leon Rear
 £39.90
Options This product has multiple variants. The options may be chosen on the product page
Surf rear fins
 £12.95
K4 Fins Shark asymmetric 7cm. Shark asymmetric 7cm slot head
Options This product has multiple variants. The options may be chosen on the product page
Ezzy Asymmetric 7cm Shark
 £29.95
K4 Fins Flex rear fin. K4 Fins Flex rear fin US head
Options This product has multiple variants. The options may be chosen on the product page
,
Flex Rear – 33% off!
 £19.90
Stubby rear fin
Options This product has multiple variants. The options may be chosen on the product page
,
Stubby Rear – 33% off!
 £19.90
Stubby front fin Stubby slot box
Options This product has multiple variants. The options may be chosen on the product page
,
Stubby Front – 33% off!
 £9.95
Rocket front Rocket front US head
Options This product has multiple variants. The options may be chosen on the product page
,
Rocket Front – half price!
 £7.45
Rocket rear Rocket US head
Options This product has multiple variants. The options may be chosen on the product page
,
Rocket Rear – 33% off!
 £19.90
k4 fins surf front surf front logo
Options This product has multiple variants. The options may be chosen on the product page
Surf front fins
 £25.90
SUP race fin K4 Fins SUP race.
Options This product has multiple variants. The options may be chosen on the product page
SUP Race Fin
 £39.00
10cm slot box blanker 10cm slot box blanker
Options This product has multiple variants. The options may be chosen on the product page
Blankers
 £2.50 – £10.00
US nut and bolt US plate and screw
Options This product has multiple variants. The options may be chosen on the product page
US screw and plate
 £7.50 – £13.00
K4 Fins team ECO Tshirt K4 Fins team ECO Tshirt
Options This product has multiple variants. The options may be chosen on the product page
K4 Fins eco T-shirt
 £18.00
K4 Fins team ECO HOODIE BLACK K4 Fins team ECO HOODIE BLACK
Options This product has multiple variants. The options may be chosen on the product page
K4 Fins eco Hoody
 £35.00
Fin case Fin case
Add to basket
K4 Fins case
 £39.90
K4 Fins Bubble signature fin.
Options This product has multiple variants. The options may be chosen on the product page
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 This product has multiple variants. The options may be chosen on the product page
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 This product has multiple variants. The options may be chosen on the product page
K4 Fins eco Hoody
 £35.00
K4 Fins team ECO Tshirt K4 Fins team ECO Tshirt
Options This product has multiple variants. The options may be chosen on the product page
K4 Fins eco T-shirt
 £18.00
US nut and bolt US plate and screw
Options This product has multiple variants. The options may be chosen on the product page
US screw and plate
 £7.50 – £13.00
10cm slot box blanker 10cm slot box blanker
Options This product has multiple variants. The options may be chosen on the product page
Blankers
 £2.50 – £10.00
SUP race fin K4 Fins SUP race.
Options This product has multiple variants. The options may be chosen on the product page
SUP Race Fin
 £39.00
k4 fins surf front surf front logo
Options This product has multiple variants. The options may be chosen on the product page
Surf front fins
 £25.90
Thomas Traversa
Lucas Meldrum
Emilio Galindo
Emilio Galindo Barquín
Graham Ezzy backside float.
Graham Ezzy
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

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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: sales@k4fins.com
Phone: +44 7812 399723

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