Image 1 of 1
Depth 3.6" Base 3.5" Foil: flat inner face.
Classic Side Fins offer ample surface area, ensuring efficient drive and control.
These solid fiberglass fins with a machined finish are suitable for a 2+1 setup and are compatible with the FCS system.
✅ Good Things About Solid Fiberglass Side Fins
1. Durability & Strength
Solid fiberglass is extremely strong and less likely to break or chip than plastic or composite fins.
Ideal for surfers who put their gear through heavy use or surf in shallow reef or rocky breaks.
2. Consistent Flex Pattern
Fiberglass fins have a more natural and consistent flex than injection-molded or cheaper composite fins.
This gives you better control and predictable performance, especially during high-speed maneuvers.
3. Better Drive & Hold
Offer less drag while still providing solid hold — especially good in smaller boards or looser setups.
Still maintains good bite in the wave face, particularly helpful for down-the-line speed and control in turns.
4. Responsive Performance
Solid fiberglass is stiffer than most plastics, which leads to faster reaction when you pump or carve.
This can make your board feel more lively and precise during turns.
5. Customizable for Fin Setup
A 3.6" side fin works great as side bites in a 2+1 longboard setup.
Their versatility makes them a popular choice across different board types and surf conditions.
6. Good for High-Performance Surfing
Favored by intermediate to advanced surfers who want more control at higher speeds or in punchier waves.
We include
Free Delivery: Everywhere in Australia.
Tracking: Quick & easy online tracking on all fins and wetsuits.
Peace of Mind: All our fins and wetsuits are insured if lost in transit.
Prompt Australian Dispatch: All items are sent from stock held in Sydney on the same or next business day.
Returns: 30-day, no questions asked returns, for unused full price items.
No More to Pay: No surcharges added at the checkout.
