Duotone, 2025

Jag SLS 2025

2350mm long · 7'9"

760mm wide

≈ 132mm thick · medium confidence

128litres

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

Its width sits further back. A pin tail, a full nose and parallel rails.

derived · against the 104 other windsurf boards in the atlas, read off the outlines.

As listed by Duotone

Duotone Jag SLS 2025: every size as listed by Duotone
size	length	width	thickness	weight
94 L	235 cm · 2350 mm	610 mm	≈ 121 mm · estimated	6.4 kg
110 L	235 cm · 2350 mm	700 mm	≈ 123 mm · estimated	7.2 kg
128 L	235 cm · 2350 mm	760 mm	132 mm · medium confidence	7.6 kg
138 L	232 cm · 2320 mm	830 mm	≈ 132 mm · estimated	8.1 kg
158 L	230 cm · 2300 mm	900 mm	≈ 140 mm · estimated	8.8 kg

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

Next to your board?

Lay the Duotone Jag SLS 128 L over up to four others, at one scale.

Compare with…

Shape & Rocker

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

Read off the 94 L outline · derived

50 %wide point, 1184 mm from the tail

3.85length over width

418mm wide 12″ from the tail

11,654cm² of planform

Read off the 110 L outline · derived

50 %wide point, 1184 mm from the tail

3.36length over width

480mm wide 12″ from the tail

13,374cm² of planform

Read off the 128 L outline · derived

50 %wide point, 1184 mm from the tail

3.10length over width

520mm wide 12″ from the tail

14,490cm² of planform

Read off the 138 L outline · derived

50 %wide point, 1169 mm from the tail

2.80length over width

572mm wide 12″ from the tail

15,655cm² of planform

Read off the 158 L outline · derived

50 %wide point, 1159 mm from the tail

2.56length over width

623mm wide 12″ from the tail

16,829cm² of planform

Rocker of the 94 L · scaled from the 128 L measured

27 mmtail rocker, at the tip

15 mm12″ from the tail

60 mm12″ from the nose

142 mmnose rocker, at the tip

574 mmflat to within 3 mm, from 38 % to 62 % of the length

50 %of the length to the lowest point, from the tail

121 mmat its thickest, 36 % from the tail

22 mmlonger along the bottom curve than flat

Lay this rocker over other boards

Rocker of the 110 L · scaled from the 128 L measured

27 mmtail rocker, at the tip

15 mm12″ from the tail

60 mm12″ from the nose

142 mmnose rocker, at the tip

574 mmflat to within 3 mm, from 38 % to 62 % of the length

50 %of the length to the lowest point, from the tail

123 mmat its thickest, 36 % from the tail

22 mmlonger along the bottom curve than flat

Lay this rocker over other boards

Rocker of the 128 L · measured

27 mmtail rocker, at the tip

15 mm12″ from the tail

60 mm12″ from the nose

142 mmnose rocker, at the tip

574 mmflat to within 3 mm, from 38 % to 62 % of the length

50 %of the length to the lowest point, from the tail

132 mmat its thickest, 36 % from the tail

22 mmlonger along the bottom curve than flat

Lay this rocker over other boards

Rocker of the 138 L · scaled from the 128 L measured

27 mmtail rocker, at the tip

15 mm12″ from the tail

58 mm12″ from the nose

140 mmnose rocker, at the tip

571 mmflat to within 3 mm, from 38 % to 62 % of the length

50 %of the length to the lowest point, from the tail

132 mmat its thickest, 36 % from the tail

22 mmlonger along the bottom curve than flat

Lay this rocker over other boards

Rocker of the 158 L · scaled from the 128 L measured

27 mmtail rocker, at the tip

15 mm12″ from the tail

57 mm12″ from the nose

139 mmnose rocker, at the tip

568 mmflat to within 3 mm, from 38 % to 62 % of the length

50 %of the length to the lowest point, from the tail

140 mmat its thickest, 36 % from the tail

21 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 128 L. Tail end set by Claude, not checked by a person.