FCS K3 Performance Glass Fins

FCS K3 Performance Glass FinsThe FCS K3 Performance Glass fins are the fins ridden by 9 time world champion surfer Kelly Slater.

These performance glass fins are based off a surf fin template designed by world champion himself.

How Much Will This Fin Set Cost?

The K3 Performance Glass fins retail for US $78.00. Below are the current prices of this fin set at a variety of online stores and surf shops.

FCS K3 Performance Glass Fins.jpg
US $70.00

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Wave Conditions

Kelly had these surf fins designed because he needed a better fin than his previous K 2.1 fins for the long walled waves of Rincon.  This was because his K 2.1 fins were designed for beach breaks and barrels.


The FCS K3 fins come as a three fin thruster fin set with two side fins and one center fin.  This therefore means that these fin can only be used in your 3 fin thruster or 5 fin surfboard.

Since this is a performance glass fin the K3 fin has a stiff traditional feel of a glass on fin.  This will add more down the line speed to your surfing and will allow you to do the long arcing turns that Slates is so famous for.  These fins will also allow you to make quick, smooth transitions from turn to turn.

The Look

FCS K3 PG Fins LookYou will definitely dig Kelly’s new artwork on the K3 fins. The side fins are black with 8 white concentric circles in the center of the fin. The center fin on the other hand is the complete reverse with the fin being white with black concentric circles.

FCS K3 Performance Glass Fins Model StampKelly has chosen 8 rings for his artwork due to his 8 world titles at the time of designing the fin.  Kelly has since won another world title setting a record of 9 world titles.  The FCS K-3 is also printed on the base of the fin.

Surfer Specifications

Medium FCS Surf FinsThe FCS K3 PG surfboard fin is best suited for you if you are a medium sized surfer weighing between 130 lbs to 180 lbs.

These fins are also ideal for surfers who had a board with glass on fins and now have a new board with an FCS fin system.  These have the same feel as regular glass on fins making them the perfect transitional fins. These fins are also available in Glass Flex.

What We Think

If you already have the K 2.1 fins and are looking to add one new set of thruster fins to your quiver then these are the fins for you.

The K fins have been Kelly Slater’s magic and go to fins for over 3 years and personally I would ride anything that Kelly helped design. What would you ride?

Fin Specifications
Side Fin Center Fin
Material Performance Glass Performance Glass
Base 4.45"
(113.0 mm)
(109.0 mm)
Depth 4.61"
(117.0 mm)
(112.0 mm)
Area 15.11″2
(9750 mm2)
(9172 mm2)
Sweep 34.3° 31°
Foil Flat 50/50
Flex Little Flex

Other FCS Surf Fins You May Like

FCS K 3 Performance Core Fins

FCS K3 Glass Flex Fins

FCS K-3 Performance Core Fins FCS K-3 Glass Flex Fins

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