Build hard Disciplines windfoil, race 2024-2025
The X-15 Windfoil has 6 sizes on record, discontinued sizes included, from 150 to 177 L. Its slenderness, 2.65, is greater than that of 30% 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.
None of these is within the tolerances above: each misses on volume, length or slenderness by up to 2.0× the tolerance.
| Brand | Board | Volume L | Δ volume | Length mm | Δ length | Slenderness | Mount |
|---|---|---|---|---|---|---|---|
| Kalama | E3 Wing SUP 30's 7'2" | 167 | -1.2% | 2,184 | -2.9% | 2.71 (+2.4%) | twin-track |
| GONG | Wing foil Board Inflatable HIPE First 7'1 | 175 | +3.6% | 2,159 | -4.0% | 2.66 (+0.3%) | twin-track |
| Loco Surfing | Loco Switch 4 in 1 33 | 145 | -14.2% | 2,286 | +1.6% | — | — |
| Family | X-15 Windfoil |
|---|---|
| Model | X-15 Windfoil |
| Size, as the brand prints it | X-15 85 |
| Volume, L | 169 |
| Length, mm | 2,250 (7'5") |
| Width, mm | 850 |
| Thickness, mm | 156 |
| Weight, kg | 9.03 |
| Slenderness (length ÷ width) | 2.65 |
| Slenderness band | 2.5–3.0 |
| Mount | — |
| Strap inserts | — |
| Build | hard |
| Construction | Carbon Reflex Sandwich |
| Disciplines | windfoil, race |
| Rider weight | — |
| Rider level | — |
| Model year | 2024-2025 |
| Source | manufacturer · read 2026-10-02 |
Every figure above is the manufacturer's published claim, converted to comparable units.
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