Duotone, 2026

iSUP Flow Air XXL 2026

5182mm long · 17'0"

1524mm wide

203mm thick

1370litres

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 square tail, a full nose and parallel rails.

derived · against the 157 other sup boards in the atlas, read off the outlines.

As listed by Duotone

Duotone iSUP Flow Air XXL 2026: every size as listed by Duotone
size	length	width	thickness	weight
1370 L	17'0" · 5182 mm	1524 mm	203 mm	32 kg

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Lay the Duotone iSUP Flow Air XXL 1370 L over up to four others, at one scale.

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Shape & Rocker

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

Read off the 1370 L outline · derived

59 %wide point, 3076 mm from the tail

3.42length over width

946mm wide 12″ from the tail

66,483cm² of planform

Rocker of the 1370 L · borrowed (≈), estimated

≈ 74 mmtail rocker, at the tip

≈ 20 mm12″ from the tail

≈ 69 mm12″ from the nose

≈ 172 mmnose rocker, at the tip

≈ 1902 mmflat to within 3 mm, from 31 % to 68 % of the length

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

≈ 203 mmat its thickest, 42 % from the tail

≈ 82 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 · shaded: the middle 80 % of its group · No usable side photo of this board: the median of 49 inflatable SUP boards from 39 product lines. Tail ends set by rule, Claude or a brand convention on their photos, none checked by a person. · estimated