Duotone, 2026

Ultra Grip [Quad] 2026

2210mm long · 7'3"

585mm wide

≈ 117mm thick · medium confidence

82litres

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

A finer nose than most. A square tail, a medium nose and curvy rails.

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

As listed by Duotone

Duotone Ultra Grip [Quad] 2026: every size as listed by Duotone
size	length	width	thickness	weight
82 L	221 cm · 2210 mm	585 mm	117 mm · medium confidence	–
88 L	223 cm · 2230 mm	595 mm	≈ 122 mm · estimated	–
94 L	225 cm · 2250 mm	605 mm	≈ 127 mm · estimated	–

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

Next to your board?

Lay the Duotone Ultra Grip [Quad] 82 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 82 L outline · derived

54 %wide point, 1194 mm from the tail

3.78length over width

380mm wide 12″ from the tail

10,036cm² of planform

Read off the 88 L outline · derived

54 %wide point, 1205 mm from the tail

3.75length over width

385mm wide 12″ from the tail

10,300cm² of planform

Read off the 94 L outline · derived

54 %wide point, 1216 mm from the tail

3.72length over width

390mm wide 12″ from the tail

10,567cm² of planform

Rocker of the 82 L · medium confidence

≈ 31 mmtail rocker, at the tip

≈ 14 mm12″ from the tail

≈ 41 mm12″ from the nose

≈ 124 mmnose rocker, at the tip

≈ 591 mmflat to within 3 mm, from 34 % to 61 % of the length

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

≈ 117 mmat its thickest, 54 % from the tail

≈ 22 mmlonger along the bottom curve than flat

Lay this rocker over other boards

Rocker of the 88 L · scaled from the 82 L, medium confidence

≈ 31 mmtail rocker, at the tip

≈ 14 mm12″ from the tail

≈ 42 mm12″ from the nose

≈ 125 mmnose rocker, at the tip

≈ 594 mmflat to within 3 mm, from 34 % to 61 % of the length

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

≈ 122 mmat its thickest, 54 % from the tail

≈ 22 mmlonger along the bottom curve than flat

Lay this rocker over other boards

Rocker of the 94 L · scaled from the 82 L, medium confidence

≈ 31 mmtail rocker, at the tip

≈ 14 mm12″ from the tail

≈ 43 mm12″ from the nose

≈ 126 mmnose rocker, at the tip

≈ 596 mmflat to within 3 mm, from 34 % to 61 % of the length

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

≈ 127 mmat its thickest, 54 % from the tail

≈ 22 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 · From Duotone's photo of the Ultra Grip SLS 82, a sibling's photo on this page. Tail end set by Claude, not checked by a person. · medium confidence