Mount other Disciplines prone, efoil
The RIIFT Prone Foilboard has 3 sizes in the current range, from 32 to 38 L. Its slenderness, 2.88, is greater than that of 46% of the 1,895 current boards that publish a length and a width.
Mount is shown beside each board, never matched on.
| Brand | Board | Volume L | Δ volume | Length mm | Δ length | Slenderness | Mount |
|---|---|---|---|---|---|---|---|
| GONG | Surf Foil Board Lethal FSP Pro 2026 4'9 | 40 | +5.3% | 1,448 | +0.0% | 2.92 (+1.2%) | twin-track |
| GONG | Surf Foil Board Lethal FSP Pro 2026 4'8 | 38 | +0.0% | 1,422 | -1.8% | 2.92 (+1.2%) | twin-track |
| Lift Foils | 4'8 40L Prone | 40 | +5.3% | 1,422 | -1.8% | — | — |
| Vayu | Edge Prone 4'8 | 36 | -5.3% | 1,422 | -1.8% | 2.87 (-0.4%) | — |
| Takuma | Morning Sun 40L | 40 | +5.3% | 1,473 | +1.7% | 2.83 (-2.0%) | — |
| Family | RIIFT |
|---|---|
| Model | RIIFT Prone Foilboard |
| Size, as the brand prints it | 4'9" 19 3/4" 2 15/16" - 38L |
| Volume, L | 38 |
| Length, mm | 1,448 (4'9") |
| Width, mm | 502 |
| Thickness, mm | 75 |
| Weight, kg | — |
| Slenderness (length ÷ width) | 2.88 |
| Slenderness band | 2.5–3.0 |
| Mount | other |
| Strap inserts | — |
| Build | — |
| Construction | — |
| Disciplines | prone, efoil |
| Rider weight | — |
| Rider level | — |
| Model year | — |
| Source | manufacturer · read 2026-10-02 |
Every figure above is the manufacturer's published claim, converted to comparable units.