Duotone, 2026

Downwinder Slim SLS 2026

2286mm long · 7'6"

445mm wide

≈ 153mm thick · medium confidence

90litres

Open in Studio See it on duotonesports.com

Sizes & Numbers

Listed by the brand, read off a photo, or worked out: where every number comes from

In one line

Narrower than the 2025. The 90 L is 13 mm narrower than the 2025 90 L, same length.

90 L against the 2025 90 L, listed length and width.

As listed by Duotone

Duotone Downwinder Slim SLS 2026: every size as listed by Duotone
size	length	width	thickness	weight
90 L	7'6'' · 2286 mm	445 mm	153 mm · medium confidence	5.4 kg
105 L	8'0'' · 2438 mm	457 mm	≈ 163 mm · estimated	5.9 kg
120 L	8'6'' · 2591 mm	470 mm	≈ 171 mm · estimated	6.2 kg

Every size side by side, tails on one line, one scale

Next to your board?

Lay the Duotone Downwinder Slim SLS 90 L over up to four others, at one scale.

Compare with…

Generations

Before it · 2025

The 2026 90 L is 13 mm narrower than the 2025 90 L, same length; its wide point moved 15 mm toward the tail. Open the 2025

listed length and width · wide point derived

2026 90 L 2025 90 L

The Duotone Downwinder Slim SLS over time

Shape & Rocker

From above, then from the side, true scale · the chosen size solid, the others dashed

Read off the 90 L outline · derived

57 %wide point, 1301 mm from the tail

5.16length over width

249mm wide 12″ from the tail

7,657cm² of planform

Read off the 105 L outline · derived

57 %wide point, 1388 mm from the tail

5.33length over width

247mm wide 12″ from the tail

8,425cm² of planform

Read off the 120 L outline · derived

57 %wide point, 1474 mm from the tail

5.51length over width

245mm wide 12″ from the tail

9,200cm² of planform

Rocker of the 90 L · measured

92 mmtail rocker, at the tip

14 mm12″ from the tail

48 mm12″ from the nose

150 mmnose rocker, at the tip

851 mmflat to within 3 mm, from 23 % to 60 % of the length

47 %of the length to the lowest point, from the tail

153 mmat its thickest, 39 % from the tail

56 mmlonger along the bottom curve than flat

Lay this rocker over other boards

Rocker of the 105 L · scaled from the 90 L measured

99 mmtail rocker, at the tip

17 mm12″ from the tail

55 mm12″ from the nose

161 mmnose rocker, at the tip

892 mmflat to within 3 mm, from 23 % to 60 % of the length

47 %of the length to the lowest point, from the tail

163 mmat its thickest, 39 % from the tail

60 mmlonger along the bottom curve than flat

Lay this rocker over other boards

Rocker of the 120 L · scaled from the 90 L measured

106 mmtail rocker, at the tip

20 mm12″ from the tail

62 mm12″ from the nose

172 mmnose rocker, at the tip

930 mmflat to within 3 mm, from 23 % to 59 % of the length

47 %of the length to the lowest point, from the tail

171 mmat its thickest, 39 % from the tail

64 mmlonger along the bottom curve than flat

Lay this rocker over other boards

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 90 L. Tail end set by Claude, not checked by a person.