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Duotone Sky Surf SLS 2024 4'2"

Discontinuedsuperseded or no longer in the brand’s current range
25volume, L
1,270length, mm
470width, mm
2.70slenderness

Mount twin-track Disciplines wing, prone 2024

The Sky Surf SLS 2024 has 2 sizes on record, discontinued sizes included, from 25 to 35 L. Its slenderness, 2.70, is greater than that of 34% of the 1,895 current boards that publish a length and a width.

Closest boards from other brands

Mount is shown beside each board, never matched on.

Current boards from other brands within ±7% of volume and ±2% of length, and ±2% of slenderness where both publish a width of the Duotone Sky Surf SLS 2024 4'2", closest first.
Brand	Board	Volume L	Δ volume	Length mm	Δ length	Slenderness	Mount
Amos	Raptor 4'2" 18 1/2" 2 11/16" 26L	26	+4.0%	1,270	+0.0%	2.70 (+0.0%)	twin-track

Specifications

Every figure is Duotone's own, read from the source linked in the last row, converted to millimetres and kilograms where the brand prints inches or pounds. Slenderness is computed here, length ÷ width.
Family	Sky Surf
Model	Sky Surf SLS 2024
Size, as the brand prints it	4'2"
Volume, L	25
Length, mm	1,270 (4'2")
Width, mm	470
Thickness, mm	—
Weight, kg	3.53
Slenderness (length ÷ width)	2.70
Slenderness band	2.5–3.0
Mount	twin-track
Strap inserts	yes
Build	—
Construction	SLS
Disciplines	wing, prone
Rider weight	up to 40 kg (the brand’s stated range)
Rider level	—
Model year	2024
Source	manufacturer · read 2026-10-02

Every figure above is the manufacturer's published claim, converted to comparable units.

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