Duotone, 2025

Sky Free 2025

1651mm long · 5'5"

686mm wide

≈ 123mm thick · estimated

105litres

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

Shorter and fuller than most. A round tail, a medium 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 Free 2025: every size as listed by Duotone
size	length	width	thickness	weight
105 L	5'5'' · 1651 mm	686 mm	≈ 123 mm · estimated	7.3 kg
115 L	5'7'' · 1702 mm	711 mm	≈ 126 mm · estimated	7.7 kg
125 L	5'9'' · 1753 mm	737 mm	≈ 129 mm · estimated	8.1 kg

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

Next to your board?

Lay the Duotone Sky Free 105 L over up to four others, at one scale.

Compare with…

Generations

After it · 2026

The 2026 120 L is 102 mm longer and 25 mm narrower than the 2025 115 L. Open the 2026

listed length and width

2025 115 L 2026 120 L

The Duotone Sky Free over time

Shape & Rocker

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

Read off the 105 L outline · derived

56 %wide point, 920 mm from the tail

2.41length over width

567mm wide 12″ from the tail

9,445cm² of planform

Read off the 115 L outline · derived

56 %wide point, 948 mm from the tail

2.39length over width

584mm wide 12″ from the tail

10,097cm² of planform

Read off the 125 L outline · derived

56 %wide point, 976 mm from the tail

2.38length over width

601mm wide 12″ from the tail

10,769cm² of planform

Rocker of the 105 L · borrowed (≈), estimated

≈ 29 mmtail rocker, at the tip

≈ 13 mm12″ from the tail

≈ 31 mm12″ from the nose

≈ 126 mmnose rocker, at the tip

≈ 382 mmflat to within 3 mm, from 38 % to 62 % of the length

48 %of the length to the lowest point, from the tail

≈ 123 mmat its thickest, 49 % from the tail

≈ 29 mmlonger along the bottom curve than flat

Lay this rocker over other boards

Rocker of the 115 L · scaled from the 105 L, borrowed (≈), estimated

≈ 30 mmtail rocker, at the tip

≈ 14 mm12″ from the tail

≈ 34 mm12″ from the nose

≈ 131 mmnose rocker, at the tip

≈ 388 mmflat to within 3 mm, from 39 % to 61 % of the length

48 %of the length to the lowest point, from the tail

≈ 126 mmat its thickest, 49 % from the tail

≈ 30 mmlonger along the bottom curve than flat

Lay this rocker over other boards

Rocker of the 125 L · scaled from the 105 L, borrowed (≈), estimated

≈ 31 mmtail rocker, at the tip

≈ 15 mm12″ from the tail

≈ 36 mm12″ from the nose

≈ 135 mmnose rocker, at the tip

≈ 394 mmflat to within 3 mm, from 39 % to 61 % of the length

48 %of the length to the lowest point, from the tail

≈ 129 mmat its thickest, 49 % from the tail

≈ 31 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 · drawn hollow: no usable side photo of this board · No usable side photo of this board: from Duotone's photo of the Sky Free 2026, the same line with other dimensions, a year later. Tail end set by Claude on the Sky Free 2026's photo, not checked by a person. · estimated