Duotone, 2026

Ultra Grip [Quad] SLS 2026

2280mm long · 7'6"

630mm wide

≈ 121mm thick · estimated

106litres

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 narrower tail 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] SLS 2026: every size as listed by Duotone
size	length	width	thickness	weight
69 L	219 cm · 2190 mm	540 mm	≈ 95 mm · estimated	5.8 kg
76 L	220 cm · 2200 mm	570 mm	≈ 99 mm · estimated	6 kg
82 L	221 cm · 2210 mm	585 mm	≈ 104 mm · estimated	6.1 kg
88 L	223 cm · 2230 mm	595 mm	≈ 108 mm · estimated	6.3 kg
94 L	225 cm · 2250 mm	605 mm	≈ 113 mm · estimated	6.5 kg
106 L	228 cm · 2280 mm	630 mm	≈ 121 mm · estimated	6.8 kg

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

Next to your board?

Lay the Duotone Ultra Grip [Quad] SLS 106 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 69 L outline · derived

54 %wide point, 1172 mm from the tail

4.06length over width

346mm wide 12″ from the tail

9,216cm² of planform

Read off the 76 L outline · derived

54 %wide point, 1178 mm from the tail

3.86length over width

365mm wide 12″ from the tail

9,773cm² of planform

Read off the 82 L outline · derived

54 %wide point, 1183 mm from the tail

3.78length over width

374mm wide 12″ from the tail

10,076cm² of planform

Read off the 88 L outline · derived

54 %wide point, 1194 mm from the tail

3.75length over width

379mm wide 12″ from the tail

10,341cm² of planform

Read off the 94 L outline · derived

54 %wide point, 1204 mm from the tail

3.72length over width

384mm wide 12″ from the tail

10,609cm² of planform

Read off the 106 L outline · derived

54 %wide point, 1221 mm from the tail

3.63length over width

396mm wide 12″ from the tail

11,157cm² of planform

Rocker of the 69 L · scaled from the 106 L measured

≈ 30 mmtail rocker, at the tip

≈ 14 mm12″ from the tail

≈ 41 mm12″ from the nose

≈ 123 mmnose rocker, at the tip

≈ 584 mmflat to within 3 mm, from 34 % to 61 % of the length

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

≈ 95 mmat its thickest, 55 % from the tail

≈ 21 mmlonger along the bottom curve than flat

Lay this rocker over other boards

Rocker of the 76 L · scaled from the 106 L measured

≈ 30 mmtail rocker, at the tip

≈ 14 mm12″ from the tail

≈ 41 mm12″ from the nose

≈ 123 mmnose rocker, at the tip

≈ 586 mmflat to within 3 mm, from 34 % to 61 % of the length

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

≈ 99 mmat its thickest, 55 % from the tail

≈ 22 mmlonger along the bottom curve than flat

Lay this rocker over other boards

Rocker of the 82 L · scaled from the 106 L measured

≈ 31 mmtail rocker, at the tip

≈ 14 mm12″ from the tail

≈ 41 mm12″ from the nose

≈ 124 mmnose rocker, at the tip

≈ 587 mmflat to within 3 mm, from 34 % to 61 % of the length

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

≈ 104 mmat its thickest, 55 % 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 106 L measured

≈ 31 mmtail rocker, at the tip

≈ 14 mm12″ from the tail

≈ 42 mm12″ from the nose

≈ 125 mmnose rocker, at the tip

≈ 589 mmflat to within 3 mm, from 34 % to 60 % of the length

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

≈ 108 mmat its thickest, 55 % 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 106 L measured

≈ 31 mmtail rocker, at the tip

≈ 15 mm12″ from the tail

≈ 43 mm12″ from the nose

≈ 126 mmnose rocker, at the tip

≈ 591 mmflat to within 3 mm, from 34 % to 60 % of the length

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

≈ 113 mmat its thickest, 55 % from the tail

≈ 22 mmlonger along the bottom curve than flat

Lay this rocker over other boards

Rocker of the 106 L · measured

≈ 32 mmtail rocker, at the tip

≈ 15 mm12″ from the tail

≈ 44 mm12″ from the nose

≈ 128 mmnose rocker, at the tip

≈ 595 mmflat to within 3 mm, from 34 % to 60 % of the length

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

≈ 121 mmat its thickest, 55 % 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 · On Duotone's photo of the Ultra Grip SLS 82, scaled as the 106 L though the rail reads the 82 L (not rescaled yet). Tail end set by Claude, not checked by a person. · estimated