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Duotone Downwinder SLS 2025 8'0"

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Mount twin-track Disciplines downwind, sup, wing 2025

The Downwinder SLS 2025 has 3 sizes on record, discontinued sizes included, from 95 to 135 L. Its slenderness, 4.35, is greater than that of 89% 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 Downwinder SLS 2025 8'0", closest first.
BrandBoardVolume LΔ volumeLength mmΔ lengthSlendernessMount
RRDNarwhal LTE Y30 135135+0.0%2,440+0.4%4.36 (+0.2%)—
StarboardAce Foil 8'1" x 22.5" 140L C D2140+3.7%2,463+1.4%4.29 (-1.3%)twin-track
StarboardAce Foil 8'1" x 22.5"140+3.7%2,464+1.4%4.31 (-0.9%)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.
FamilyDownwinder
ModelDownwinder SLS 2025
Size, as the brand prints it8'0"
Volume, L135
Length, mm2,430 (8'0")
Width, mm559
Thickness, mm—
Weight, kg6.99
Slenderness (length ÷ width)4.35
Slenderness band4.0–5.0
Mounttwin-track
Strap insertsno
Build—
ConstructionCarbon Custom Sandwich (SLS)
Disciplinesdownwind, sup, wing
Rider weightup to 135 kg (the brand’s stated range)
Rider level—
Model year2025
Sourcemanufacturer · read 2026-10-02

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

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