How it surfs
The strongest evidence is the verified customer dataset on FCS: 4.9 out of 5 from 76 reviews. That converts to 9.8/10, and it is the only numeric rating used for the page aggregate.
Volume & sizing chart
Use the chart below as a starting point. Add half a litre if you are less experienced, subtract half a litre for a looser feel.
| Size | Volume | Rider weight | Best for |
|---|---|---|---|
| Small | Side area 14.29 in² | 55 to 70 kg | Intermediate+ |
| Medium | Side area 15.07 in² | 65 to 80 kg | Intermediate+ |
| Large | Side area 15.84 in² | 75 to 90 kg | Intermediate+ |
How it compares
| Board | Best at | Wave range | Aggregate score |
|---|---|---|---|
| FCS II Accelerator | Drive and hold | Punchy surf | 8.9 |
| FCS II Reactor | Pivot and release | Beachbreak | 8.9 |
Verdict
The H4 is a premium, highly engineered thruster with unusually strong verified customer feedback. Its price and reactive PC Carbon feel make the most sense for committed intermediate and advanced surfers.
