Build hard Disciplines prone, wing
The Midlength Mk II X-Form has 9 sizes in the current range, from 38 to 130 L. Its slenderness, 3.35, is greater than that of 69% 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 |
|---|---|---|---|---|---|---|---|
| Omen | Emissary 55L | 55 | +0.0% | 1,651 | +1.5% | 3.34 (-0.3%) | — |
| Indiana | Surf/Wing Foil 5'3 | 58.5 | +6.4% | 1,600 | -1.6% | — | twin-track |
| Family | Midlength |
|---|---|
| Model | Midlength Mk II X-Form |
| Size, as the brand prints it | 55L 5'4'' |
| Volume, L | 55 |
| Length, mm | 1,626 (5'4") |
| Width, mm | 486 |
| Thickness, mm | 102 |
| Weight, kg | 4 |
| Slenderness (length ÷ width) | 3.35 |
| Slenderness band | 3.0–4.0 |
| Mount | — |
| Strap inserts | — |
| Build | hard |
| Construction | X-Form precision molded: carbon outer, high-density PVC wrap and rails, ultralight EPS core |
| Disciplines | prone, wing |
| 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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