Amos RIIFT Prone Foilboard 4'6" 19" 2 15/16" 35L

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Mount other Disciplines prone, efoil

The RIIFT Prone Foilboard has 3 sizes in the current range, from 32 to 38 L. Its slenderness, 2.84, is greater than that of 44% 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 Amos RIIFT Prone Foilboard 4'6" 19" 2 15/16" 35L, closest first.
BrandBoardVolume LΔ volumeLength mmΔ lengthSlendernessMount
TakumaMorning Sun 35L35+0.0%1,372+0.0%2.84 (+0.0%)—
PatrikChase WB-X 3535+0.0%1,380+0.6%2.83 (-0.4%)twin-track
AmundsonNubby V2 4'6" x 19" 36 Liters36+2.9%1,372+0.0%2.84 (+0.0%)twin-track
AppletreeApple Skipper Prone 4'6'' (34L)34-2.9%1,372+0.0%2.84 (+0.0%)twin-track
DC Shaping CoFlying Fish 4’6” x 19" 36L36+2.9%1,372+0.0%2.84 (+0.0%)—
AppletreeApple Skipper Prone 4'65'' (37L)37+5.7%1,384+0.9%2.83 (-0.4%)twin-track
GONGSurf Foil Board Lemon FSP Pro 2026 4'637+5.7%1,372+0.0%2.89 (+1.7%)twin-track
AK Durable Supply CoPhazer v5 Active Carbon 36L36+2.9%1,397+1.8%2.89 (+1.8%)—
ArmstrongSurf 36L 4'736+2.9%1,397+1.8%2.89 (+1.8%)—
TakoonSlate 4'735+0.0%1,397+1.8%2.89 (+1.8%)twin-track
F-OneROCKET SURF 4'734-2.9%1,395+1.7%2.89 (+1.9%)twin-track
GONGSurf Foil Board Lemon FSP Pro 2026 4'535+0.0%1,346-1.9%2.89 (+1.7%)twin-track

Specifications

Every figure is Amos'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.
FamilyRIIFT
ModelRIIFT Prone Foilboard
Size, as the brand prints it4'6" 19" 2 15/16" - 35L
Volume, L35
Length, mm1,372 (4'6")
Width, mm483
Thickness, mm75
Weight, kg—
Slenderness (length ÷ width)2.84
Slenderness band2.5–3.0
Mountother
Strap inserts—
Build—
Construction—
Disciplinesprone, efoil
Rider weight—
Rider level—
Model year—
Sourcemanufacturer · read 2026-10-02

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

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