Amos RIIFT Mid-Length Foilboard 2P 5'6" 19" 2 3/16" 31.5L
- 31.5volume, L
- 5'6"length, ft/in
- 19.02"width, in
- 3.47slenderness
Mount other Disciplines prone, efoil
The RIIFT Mid-Length Foilboard 2P has 3 sizes in the current range, from 29 to 34 L. Its slenderness, 3.47, is greater than that of 73% of the 1,995 current boards that publish a length and a width.
Closest boards from other brands
No current board from another brand is within ±7% of volume and ±2% of length, and ±2% of slenderness where both publish a width of this one.
The nearest current boards
None of these is within the tolerances above: each misses on volume, length or slenderness by up to 3.0× the tolerance.
Scroll across for more specifications
| Product | Brand | Volume L | Δ volume | Length ft/in | Δ length | Slenderness | Mount |
|---|---|---|---|---|---|---|---|
 Midlength V2 5'2" (37L) | Appletree | 37 | +17.5% | 5'2" | -6.0% | 3.46 (-0.2%) | twin-track |
 Midfish 2026 5'2'' | Duotone | 38 | +20.6% | 5'2" | -6.0% | 3.43 (-1.1%) | twin-track |
 Blend-r foil drive trench board 5'2 x 18 1/2 26L | The Carbon Co | 26 | -17.5% | 5'2" | -6.0% | 3.35 (-3.4%) | other |
Specifications
| Family | RIIFT |
|---|---|
| Model | RIIFT Mid-Length Foilboard 2P |
| Size | 5'6" 19" 2 3/16" - 31.5L |
| Volume, L | 31.5 |
| Length, ft/in | 5'6" |
| Width, in | 19.02" |
| Thickness, in | 2.2" |
| Weight, kg | — |
| Slenderness (length ÷ width) | 3.47 |
| Section (decided by the model’s middle size) | Midlength |
| Mount | other |
| Strap inserts | — |
| Build | — |
| Construction | — |
| Disciplines | prone, efoil |
| Rider weight | — |
| Rider level | — |
| Model year | — |
| Source | manufacturer · read 2026-11-05 |
Every figure above is the manufacturer's published claim, converted to comparable units.