Duotone, 2026

Sky Air 2026

1981mm long · 6'6"

654mm wide

152mm thick

140litres

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 forward. A round tail, a full nose and parallel rails.

derived · against the 169 other wing foil boards in the atlas, read off the outlines.

As listed by Duotone

Duotone Sky Air 2026: every size as listed by Duotone
size	length	width	thickness	weight
120 L	6'2'' · 1880 mm	635 mm	119 mm · medium confidence	7 kg
140 L	6'6'' · 1981 mm	654 mm	152 mm · medium confidence	7.2 kg
205 L	7'4'' · 2235 mm	787 mm	152 mm	10 kg

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

Next to your board?

Lay the Duotone Sky Air 140 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 120 L outline · derived

57 %wide point, 1076 mm from the tail

2.96length over width

509mm wide 12″ from the tail

10,048cm² of planform

Read off the 140 L outline · derived

57 %wide point, 1135 mm from the tail

3.03length over width

517mm wide 12″ from the tail

10,896cm² of planform

Read off the 205 L outline · derived

57 %wide point, 1280 mm from the tail

2.84length over width

607mm wide 12″ from the tail

14,816cm² of planform

Rocker of the 120 L · scaled from the 140 L, estimated

≈ 50 mmtail rocker, at the tip

≈ 4 mm12″ from the tail

≈ 30 mm12″ from the nose

≈ 80 mmnose rocker, at the tip

≈ 464 mmflat to within 3 mm, from 26 % to 50 % of the length

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

≈ 127 mmat its thickest, 35 % from the tail

≈ 56 mmlonger along the bottom curve than flat

Lay this rocker over other boards

Rocker of the 140 L · estimated

≈ 53 mmtail rocker, at the tip

≈ 5 mm12″ from the tail

≈ 33 mm12″ from the nose

≈ 85 mmnose rocker, at the tip

≈ 470 mmflat to within 3 mm, from 27 % to 50 % of the length

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

≈ 162 mmat its thickest, 35 % from the tail · on the photo; Duotone lists ≈ 152 mm

≈ 59 mmlonger along the bottom curve than flat

Lay this rocker over other boards

Rocker of the 205 L · scaled from the 140 L, estimated

≈ 62 mmtail rocker, at the tip

≈ 21 mm12″ from the tail

≈ 39 mm12″ from the nose

≈ 98 mmnose rocker, at the tip

≈ 488 mmflat to within 3 mm, from 28 % to 50 % of the length

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

≈ 162 mmat its thickest, 35 % from the tail

≈ 67 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 · On Duotone's photo of the 140 L, whose bottom line has a 15 mm step at 14 % of the length: a foil plate traced as hull, so it lends to no other board. Tail end set by rule. · estimated