Endorfins / Slater KS1 Single Tab Tri Fin

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Size/Style/Color: Small - Single Tab - Black/Green


EDNORFINS Slater KS1 Tri Fin Set 

Designed by 11 time world champ "Kelly Slater"

A better build – innovative carbon inlays in Endorfins add strength and flex that enable them to be built with a core comprised of 90% pure air. As a result, Endorfins not only provide optimum performance but also literally float on water.


KS1 —Small 


B  — 110.5mm      B —105.5mm

H — 113mm          H — 109.5mm


KS1 — Medium 


B  — 113.5mm     B —109mm

H — 116.5mm      H — 113mm

KS1 — Large 


B  — 116mm      B —111.5mm

H — 119mm     H — 115mm

FIN BOXES: Each set is built with a base that is compatible with either TWO TAB FIN BOXES or SINGLE TAB FIN BOXES. The Futures compatible base on Endorfins will work just like a fin built by Futures with a Futures base. The FCSII compatible base will require two screws that will come with the fins. Endorfins with FCSII compatible bases will not click in and click out.

THE BRANDING: The circle on the side of each Endorfins fin represents flow. It's a new take on Kelly’s iconic circular branding that has appeared on every fin he's endorsed previously, paying homage to the past while building forward towards the future. 

THE ECO STORY: ‘Screw your fins, not your ocean”. Kelly has a hobby of collecting fins from the reef in front of his home in Hawaii. These fins are trash, abandoned on the ocean floor. By screwing our fins into our surfboards – and with the fact that they float - we prevent this from happening. We are additionally continuing our commitment to Sea Trees – ‘wiping’ the yearly carbon footprint of our fin production through conserving kelp forest in California, protecting rain forest in Africa, and planting mangrove trees in Indonesia.

Fits futures fin box