FCS Fcs Ii H4 Tri Fins


Item No. fcs-fcs-ii-h4-tri-fins-smoke-fh4-cc01-ts-rsmo


  • Colour: SMOKE
    • SMOKE

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FREETOWEL with $200 Spend
Spend $200 or more on included wetsuits and surf hardware and use code FREETOWEL to receive a free towel.

See Terms & Conditions page for full details.
about our delivery options and how to return an item.


Next day delivery to metro areas Australia wide*.
  • Express Shipping (1-3 Days to most areas, $4.99 for orders over $100, or $9.99 for orders under $100)
  • Standard Shipping (1-5 Days to most areas, FREE for orders over $100 or $7.99)
  • Bulky Item Shipping (1-7 Days to most areas, from $19.99)
New Zealand
  • Standard Shipping (2-5 Days to metro areas, $4.99 for orders over $100 AUD, or $9.99 for orders under $100*)
  • Tax Free Delivery (No taxes or import duties to pay on arrival for orders over $1000 NZD)
International Shipping
  • DHL Express (1-7 Days to most countries, from $9.99 or FREE for orders over $100*)

* Click here for more info on our shipping options

30 day free returns*

Not sure about your size? Worried about purchasing online? Not a problem!
SurfStitch offers free returns for standard domestic orders, so ordering is risk free.

Simply return any unwanted items in the condition you received them and we will gladly swap the size or refund your item.

Returns policy*

  • Full Price and Sale items - 30 Days to refund or exchange size
  • Outlet items - Cannot be returned unless faulty or incorrect item received

* Click here for full returns policy


  • Fin System: FCS II
  • Fin Set Up: Thruster
  • Colour: Smoke
  • Construction: PC Carbon
  • Suggested Conditions: A wide range of conditions, particularly good in critical overhead waves
  • Recommended Board Type: Recommended for performance shortboards with moderate-to-low rocker
  • Accelerator fin family - Find Control. Speed, flow and response with added control
  • Radically different side & centre fin templates create a powerful fin set with ultimate speed & drive
  • Side Fin Profile: Lower section produces maximum acceleration, while hatchet like tip creates stability & control
  • Centre Fin Profile: Highly raked elliptical outline reduces drag, and offers feeling of predictability when releasing through turns
  • Fin Foils Template: Thicker base with tapered tip optimises flex & regulates the release of energy during rail to rial transitions
  • Precision Swiss engineering creates perfect synergy between fin geometry & HI-FI materials, giving smooth & predictable feel
  • High density uni-directional carbon fibre is light & super strong with custom orientation to transfer more of your energy into speed than any other fin
  • Dynamic trailing edge internal composite morphs under extreme load, enabling the fins to be pushed harder without sliding out
  • Innovative production uses highly specialised robotic automation combined with camera assisted quality control, ensures absolute accuracy

The H4 looks and surfs different to any other fin. Precision Swiss engineering matched with a highly evolved template provides an unprecedented level of control and predictability at high speeds.

Size Guide:

  • Small: Under 55 - 70Kgs
  • Medium: 65 - 80Kgs
  • Large: 75 - 90Kgs

About The Brand

Rely on the best and buy FCS! Get all your surf hardware goods from the one place and know that the fins, leg ropes, tail pads, board covers, booties and luggage is of the highest quality and at the most affordable prices.