Mount twin-track Disciplines wing 2025
The Sky Free 2025 has 3 sizes on record, discontinued sizes included, from 105 to 125 L. Its slenderness, 2.41, is greater than that of 10% 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 |
|---|---|---|---|---|---|---|---|
| Gunsails | HY-BOARD NOVA 5'4" | 105 | +0.0% | 1,630 | -1.2% | 2.38 (-1.2%) | — |
| Aztron | FALCON AIR X 5'4" 27" 4.75" | 105 | +0.0% | 1,630 | -1.2% | 2.38 (-1.4%) | twin-track, tuttle |
| F-One | ROCKET WING 5'5 | 100 | -4.8% | 1,650 | +0.0% | 2.41 (+0.0%) | twin-track |
| GONG | Wing foil Board Inflatable HIPE First 5'5 | 110 | +4.8% | 1,661 | +0.7% | 2.42 (+0.5%) | twin-track |
| Kalama | E3 Wing SUP 26's 5'4" | 104 | -1.0% | 1,626 | -1.5% | 2.38 (-1.2%) | twin-track |
| Amundson | JohnO SUP 5'6" x 27" 100 Liters | 100 | -4.8% | 1,676 | +1.6% | 2.44 (+1.4%) | twin-track |
| Kold Shapes | Nørdland II 110l | 110 | +4.8% | 1,676 | +1.6% | — | twin-track |
| Takuma | CK Carbon 100L | 100 | -4.8% | 1,676 | +1.6% | 2.41 (+0.3%) | twin-track |
| Takuma | Wing Air 100L | 100 | -4.8% | 1,676 | +1.6% | 2.44 (+1.4%) | — |
| Axis | Froth 105 | 105 | +0.0% | 1,626 | -1.5% | 2.37 (-1.6%) | — |
| Slingshot | UltraFly 105 L | 105 | +0.0% | 1,651 | +0.1% | 2.37 (-1.8%) | twin-track |
| North | Seek 2026 5ft 5in | 98 | -6.7% | 1,651 | +0.1% | 2.45 (+1.8%) | twin-track |
| Family | Sky Free |
|---|---|
| Model | Sky Free 2025 |
| Size, as the brand prints it | 5'5" |
| Volume, L | 105 |
| Length, mm | 1,650 (5'5") |
| Width, mm | 685 |
| Thickness, mm | — |
| Weight, kg | 7.29 |
| Slenderness (length ÷ width) | 2.41 |
| Slenderness band | ≤ 2.5 |
| Mount | twin-track |
| Strap inserts | yes |
| Build | — |
| Construction | solid vacuum epoxy, bamboo sandwich |
| Disciplines | wing |
| Rider weight | up to 110 kg (the brand’s stated range) |
| Rider level | beginner |
| Model year | 2025 |
| Source | manufacturer · read 2026-10-02 |
Every figure above is the manufacturer's published claim, converted to comparable units.
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