Duotone Ultra FreeWave 2026
Windsurf › Windsurf
Duotone, 2026
2260mm long · 7'5"
610mm wide
≈ 127mm thick · medium confidence
94litres
Listed by the brand, read off a photo, or worked out: where every number comes from
In one line
Longer and leaner than most. A rounded pin tail, a medium nose and gently curved rails.
derived · against the 104 other windsurf boards in the atlas, read off the outlines.
As listed by Duotone
| size | length | width | thickness | weight |
|---|---|---|---|---|
| 74 L | 222 cm · 2220 mm | 560 mm | ≈ 111 mm · estimated | 5.5 kg |
| 84 L | 224 cm · 2240 mm | 580 mm | ≈ 120 mm · estimated | 5.6 kg |
| 94 L | 226 cm · 2260 mm | 610 mm | 127 mm · medium confidence | 5.9 kg |
| 104 L | 227 cm · 2270 mm | 630 mm | ≈ 135 mm · estimated | 6.3 kg |
| 112 L | 228 cm · 2280 mm | 660 mm | ≈ 139 mm · estimated | 6.5 kg |
| 119 L | 230 cm · 2300 mm | 685 mm | ≈ 141 mm · estimated | 6.6 kg |
Every size side by side, tails on one line, one scale
From above, then from the side, true scale · the chosen size solid, the others dashed
Read off the 74 L outline · derived
52 %wide point, 1150 mm from the tail
3.96length over width
365mm wide 12″ from the tail
9,733cm² of planform
Read off the 84 L outline · derived
52 %wide point, 1160 mm from the tail
3.86length over width
376mm wide 12″ from the tail
10,172cm² of planform
Read off the 94 L outline · derived
52 %wide point, 1170 mm from the tail
3.76length over width
389mm wide 12″ from the tail
10,634cm² of planform
Read off the 104 L outline · derived
52 %wide point, 1175 mm from the tail
3.60length over width
407mm wide 12″ from the tail
11,196cm² of planform
Read off the 112 L outline · derived
52 %wide point, 1181 mm from the tail
3.45length over width
425mm wide 12″ from the tail
11,781cm² of planform
Read off the 119 L outline · derived
52 %wide point, 1191 mm from the tail
3.36length over width
440mm wide 12″ from the tail
12,335cm² of planform
Rocker of the 74 L · scaled from the 94 L measured
Rocker of the 84 L · scaled from the 94 L measured
Rocker of the 94 L · measured
Rocker of the 104 L · scaled from the 94 L measured
Rocker of the 112 L · scaled from the 94 L measured
Rocker of the 119 L · scaled from the 94 L measured
True proportions · dots at 10 mm and 12″ in from each tip · bracket: flat to within 3 mm · Measured on Duotone's photo of the 94 L. Tail end set by Claude, not checked by a person.
Original pages · 1
Closest outlines from other models, once stretched to one length and width · derived
Windsurf › Windsurf
Windsurf › Windsurf
Windsurf › Windsurf
Windsurf › Windsurf
Foil › Surf foil
Surf › SUP
Surf › SUP
Surf › SUP
Windsurf › Windsurf
Foil › Surf foil