Duotone Cosmic (4) SLS 2027
Windsurf › Windsurf
North, 2024
2261mm long · 7'5"
457mm wide
165mm thick
105litres
Listed by the brand, read off a photo, or worked out
In one line
A finer nose than most. A square tail, a pointed nose and gently curved rails.
derived · against the 68 other downwind foil boards in the atlas, read off the outlines.
As listed by North
| size | length | width | thickness | weight | price |
|---|---|---|---|---|---|
| 95 L | 6'10 · 2083 mm | 445 mm | 165 mm | – | US$1,929 |
| 105 L | 7'5 · 2261 mm | 457 mm | 165 mm | – | US$2,039 |
| 115 L | 7'10 · 2388 mm | 470 mm | 165 mm | – | US$2,149 |
| 125 L | 8'4 · 2540 mm | 483 mm | 165 mm | – | US$2,259 |
Prices as the North store showed them on 2026-10-29, in its currency · the cheapest version first, every version on hover
Every size side by side, tails on one line, one scale
The North Horizon Downwind 2024 size each rider would pick, by weight and level
75 kg · getting there · look for 95–110 L
The Horizon Downwind 105 L
2 sizes fall in your range; the 105 L is nearest its middle.
A rule of thumb (your weight in kg + 20 to 35 L), not North’s chart
| level | 60 kg | 75 kg | 90 kg | 105 kg |
|---|---|---|---|---|
| First sessionsyour weight in kg + 35 to 55 L | 105 L | 115 L | 125 L | 125 L · small |
| Getting thereyour weight in kg + 20 to 35 L | 95 L | 105 L | 115 L | 125 L |
| Confidentyour weight in kg + 5 to 20 L | too big | 95 L | 105 L | 115 L |
| Expertyour weight in kg, from 10 L under to 5 L over | too big | too big | 95 L | 105 L |
Rules of thumb, not North’s chart · “small” and “big”: the nearest size, just outside the range · How the sizes are worked out · Find your board
From above, then from the side, true scale · the chosen size solid, the others dashed
Read off the 95 L outline · derived
51 %wide point, 1062 mm from the tail
4.69length over width
303mm wide 12″ from the tail
7,170cm² of planform
Read off the 105 L outline · derived
51 %wide point, 1152 mm from the tail
4.96length over width
300mm wide 12″ from the tail
7,984cm² of planform
Read off the 115 L outline · derived
51 %wide point, 1217 mm from the tail
5.08length over width
301mm wide 12″ from the tail
8,689cm² of planform
Read off the 125 L outline · derived
51 %wide point, 1295 mm from the tail
5.26length over width
301mm wide 12″ from the tail
9,494cm² of planform
Rocker of the 95 L · scaled from the 105 L measured
Rocker of the 105 L · measured
Rocker of the 115 L · scaled from the 105 L measured
Rocker of the 125 L · scaled from the 105 L measured
True proportions · dots at 10 mm and 12″ in from each tip · bracket: flat to within 3 mm · Measured on North's photo of the 105 L. Tail end set by North's photo convention, not checked by a person.
Closest outlines from other models, same sport first, once stretched to one length and width · derived
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