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Depth 7.5” Base 5.5”
A timeless shape revered as an icon in fin design, this fin provides ample base for drive and a tapered tip for a responsive feel.
This solid fiberglass fin with a machined finish comes complete with the screw and plate for secure fitting.
Here’s some great things about the International 4A fin:
✅ 1. Classic and Timeless Design
Originally designed by George Greenough, the 4A has been a staple for decades.
Its template blends performance and smooth flow, making it ideal for traditional longboarding.
✅ 2. Great for Turns and Flow
The swept-back rake offers smooth, arcing turns.
It provides predictable, fluid rail-to-rail transitions, perfect for trim and carving.
✅ 3. Balanced Flex
The International 4A has a moderate flex, which helps generate speed out of turns.
Offers some spring without being too loose or floppy.
✅ 4. Versatile Performance
Works well in a wide range of conditions – from small, peeling waves to shoulder-high surf.
Can be used in logs, performance longboards, or even mid-lengths depending on the size.
✅ 6. Widely Loved
Highly recommended by surfers across generations.
✅ 7. Ideal for Both Nose Riding and Carving
Offers a good middle ground — enough hold for noserides but loose enough for stylish turns.
Not overly stiff like pivot fins, nor overly loose like flex fins.
If you're building a single-fin quiver or looking to upgrade a longboard setup, the International 4A is a go-to fin for a reason: it just works. Whether you’re cross-stepping, trimming, or drawing stylish lines, the International 4A gives you the confidence and feel to do it all.
We include
Free Delivery: Everywhere in Australia.
Tracking: Quick & easy online tracking on all fins.
Peace of Mind: All our fins are insured against loss 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.
