Mount twin-track Build hard Disciplines kite, wake
The Exo has 2 sizes in the current range, from 19 to 20 L. Its slenderness, 2.84, is greater than that of 44% of the 1,895 current boards that publish a length and a width.
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. Boards for wake, eFoil, kite or windfoil alone are compared only with each other.
None of these is within the tolerances above: each misses on volume, length or slenderness by up to 2.1× the tolerance.
| Brand | Board | Volume L | Δ volume | Length mm | Δ length | Slenderness | Mount |
|---|---|---|---|---|---|---|---|
| Sabfoil | Kite Foilboard 21L | 21 | +10.5% | 1,280 | +2.4% | 2.84 (+0.1%) | twin-track |
| F-One | POCKET CARBON CUSTOM 130 | 18.6 | -2.1% | 1,300 | +4.0% | 2.77 (-2.6%) | twin-track |
| Appletree | Mini Foil Kiteboard 4'2'' (21.52L) | 21.5 | +13.3% | 1,270 | +1.6% | 2.72 (-4.3%) | twin-track |
| Family | Exo |
|---|---|
| Model | Exo 4 |
| Size, as the brand prints it | EXO 4 |
| Volume, L | 19 |
| Length, mm | 1,250 (4'1") |
| Width, mm | 440 |
| Thickness, mm | 46 |
| Weight, kg | 3.4 |
| Slenderness (length ÷ width) | 2.84 |
| Slenderness band | 2.5–3.0 |
| Mount | twin-track |
| Strap inserts | yes |
| Build | hard |
| Construction | full carbon fiber construction, high density foam reinforcements, water-resistant foam core |
| Disciplines | kite, wake |
| 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.
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