Duotone, 2026

Ultra Grip [Quad] D/LAB Customized 2026

2280mm long · 7'6"

630mm wide

≈ 124mm 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] D/LAB Customized 2026: every size as listed by Duotone
size	length	width	thickness	weight
53 L	213 cm · 2130 mm	505 mm	≈ 83 mm · estimated	4.8 kg
61 L	216.5 cm · 2165 mm	520 mm	≈ 91 mm · estimated	5.2 kg
69 L	219 cm · 2190 mm	540 mm	≈ 98 mm · estimated	5.4 kg
76 L	220 cm · 2200 mm	570 mm	≈ 102 mm · estimated	5.7 kg
82 L	221 cm · 2210 mm	585 mm	≈ 107 mm · estimated	5.9 kg
88 L	223 cm · 2230 mm	595 mm	≈ 111 mm · estimated	6 kg
94 L	225 cm · 2250 mm	605 mm	≈ 116 mm · estimated	6.3 kg
106 L	228 cm · 2280 mm	630 mm	≈ 124 mm · estimated	6.4 kg

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

Next to your board?

Lay the Duotone Ultra Grip [Quad] D/LAB Customized 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 53 L outline · derived

53 %wide point, 1124 mm from the tail

4.22length over width

329mm wide 12″ from the tail

8,366cm² of planform

Read off the 61 L outline · derived

53 %wide point, 1142 mm from the tail

4.16length over width

337mm wide 12″ from the tail

8,756cm² of planform

Read off the 69 L outline · derived

53 %wide point, 1155 mm from the tail

4.06length over width

348mm wide 12″ from the tail

9,197cm² of planform

Read off the 76 L outline · derived

53 %wide point, 1160 mm from the tail

3.86length over width

367mm wide 12″ from the tail

9,753cm² of planform

Read off the 82 L outline · derived

53 %wide point, 1166 mm from the tail

3.78length over width

375mm wide 12″ from the tail

10,055cm² of planform

Read off the 88 L outline · derived

53 %wide point, 1176 mm from the tail

3.75length over width

380mm wide 12″ from the tail

10,319cm² of planform

Read off the 94 L outline · derived

53 %wide point, 1187 mm from the tail

3.72length over width

385mm wide 12″ from the tail

10,587cm² of planform

Read off the 106 L outline · derived

53 %wide point, 1203 mm from the tail

3.63length over width

398mm wide 12″ from the tail

11,145cm² of planform

Rocker of the 53 L · scaled from the 106 L measured

≈ 20 mmtail rocker, at the tip

≈ 6 mm12″ from the tail

≈ 53 mm12″ from the nose

≈ 141 mmnose rocker, at the tip

≈ 798 mmflat to within 3 mm, from 17 % to 55 % of the length

39 %of the length to the lowest point, from the tail

≈ 83 mmat its thickest, 55 % from the tail

≈ 23 mmlonger along the bottom curve than flat

Lay this rocker over other boards

Rocker of the 61 L · scaled from the 106 L measured

≈ 21 mmtail rocker, at the tip

≈ 6 mm12″ from the tail

≈ 55 mm12″ from the nose

≈ 144 mmnose rocker, at the tip

≈ 808 mmflat to within 3 mm, from 18 % to 55 % of the length

39 %of the length to the lowest point, from the tail

≈ 91 mmat its thickest, 55 % from the tail

≈ 24 mmlonger along the bottom curve than flat

Lay this rocker over other boards

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

≈ 21 mmtail rocker, at the tip

≈ 6 mm12″ from the tail

≈ 56 mm12″ from the nose

≈ 145 mmnose rocker, at the tip

≈ 815 mmflat to within 3 mm, from 18 % to 55 % of the length

39 %of the length to the lowest point, from the tail

≈ 98 mmat its thickest, 55 % from the tail

≈ 24 mmlonger along the bottom curve than flat

Lay this rocker over other boards

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

≈ 21 mmtail rocker, at the tip

≈ 6 mm12″ from the tail

≈ 57 mm12″ from the nose

≈ 146 mmnose rocker, at the tip

≈ 817 mmflat to within 3 mm, from 18 % to 55 % of the length

39 %of the length to the lowest point, from the tail

≈ 102 mmat its thickest, 55 % from the tail

≈ 24 mmlonger along the bottom curve than flat

Lay this rocker over other boards

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

≈ 21 mmtail rocker, at the tip

≈ 6 mm12″ from the tail

≈ 57 mm12″ from the nose

≈ 147 mmnose rocker, at the tip

≈ 820 mmflat to within 3 mm, from 18 % to 55 % of the length

39 %of the length to the lowest point, from the tail

≈ 107 mmat its thickest, 55 % from the tail

≈ 24 mmlonger along the bottom curve than flat

Lay this rocker over other boards

Rocker of the 88 L · scaled from the 106 L measured

≈ 21 mmtail rocker, at the tip

≈ 7 mm12″ from the tail

≈ 58 mm12″ from the nose

≈ 148 mmnose rocker, at the tip

≈ 825 mmflat to within 3 mm, from 18 % to 55 % of the length

39 %of the length to the lowest point, from the tail

≈ 111 mmat its thickest, 55 % from the tail

≈ 24 mmlonger along the bottom curve than flat

Lay this rocker over other boards

Rocker of the 94 L · scaled from the 106 L measured

≈ 22 mmtail rocker, at the tip

≈ 7 mm12″ from the tail

≈ 59 mm12″ from the nose

≈ 150 mmnose rocker, at the tip

≈ 831 mmflat to within 3 mm, from 18 % to 55 % of the length

39 %of the length to the lowest point, from the tail

≈ 116 mmat its thickest, 55 % from the tail

≈ 25 mmlonger along the bottom curve than flat

Lay this rocker over other boards

Rocker of the 106 L · measured

≈ 22 mmtail rocker, at the tip

≈ 7 mm12″ from the tail

≈ 61 mm12″ from the nose

≈ 152 mmnose rocker, at the tip

≈ 839 mmflat to within 3 mm, from 18 % to 54 % of the length

39 %of the length to the lowest point, from the tail

≈ 124 mmat its thickest, 55 % from the tail

≈ 25 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 D/LAB 82 with a four-fin (quad) cluster, 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