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, 3.47, is greater than that of 74% 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 |
|---|---|---|---|---|---|---|---|
| Indiana | Von Roll 5'7 | 67 | +3.1% | 1,702 | -1.4% | 3.44 (-0.9%) | twin-track |
| KT Foiling | Arc Pro Carbon 68 | 68 | +4.6% | 1,753 | +1.5% | 3.45 (-0.5%) | twin-track |
| Slingshot | Project Drag Board 62 L | 62 | -4.6% | 1,702 | -1.4% | 3.52 (+1.6%) | twin-track, tuttle |
| Family | Midlength |
|---|---|
| Model | Midlength Mk II X-Form |
| Size, as the brand prints it | 65L 5'8'' |
| Volume, L | 65 |
| Length, mm | 1,727 (5'8") |
| Width, mm | 498 |
| Thickness, mm | 108 |
| Weight, kg | 4.2 |
| Slenderness (length ÷ width) | 3.47 |
| 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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