Disciplines wing, parawing
The Beluga ML Black Line Y31 has 8 sizes in the current range, from 75 to 145 L. Its slenderness, 3.10, is greater than that of 57% 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 |
|---|---|---|---|---|---|---|---|
| Mistral | Skywave 135L | 135 | +0.0% | 1,960 | +0.5% | — | twin-track |
| Family | Beluga ML |
|---|---|
| Model | Beluga ML Black Line Y31 |
| Size, as the brand prints it | 135 |
| Volume, L | 135 |
| Length, mm | 1,950 (6'5") |
| Width, mm | 630 |
| Thickness, mm | — |
| Weight, kg | 7.06 |
| Slenderness (length ÷ width) | 3.10 |
| Slenderness band | 3.0–4.0 |
| Mount | — |
| Strap inserts | yes |
| Build | — |
| Construction | BLACK Line: precision-molded Super EPS core (18 kg/m3), HEXAgonal Innegra Carbon deck (176 g/m2), 110 g biaxial carbon bottom |
| Disciplines | wing, parawing |
| 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.