F4 Foils Sylo 101L 8'2" x 16.6" 6.7"

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Disciplines downwind

Its slenderness, 5.90, is greater than that of 98% 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 F4 Foils Sylo 101L 8'2" x 16.6" 6.7", closest first.
BrandBoardVolume LΔ volumeLength mmΔ lengthSlendernessMount
AxisMako 100L 8'2" x 16.5"100-1.0%2,489+0.0%5.94 (+0.7%)—
AFSBlackbird Skinny 8'2 x 17 105L105+4.0%2,500+0.4%5.79 (-1.9%)—
PatrikChase DW-R 9494-6.9%2,515+1.0%5.96 (+1.0%)twin-track

Specifications

Every figure is F4 Foils'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.
FamilySylo
ModelSylo
Size, as the brand prints it101L – 8'2" x 16.6" x 6.7"
Volume, L101
Length, mm2,489 (8'2")
Width, mm422
Thickness, mm170
Weight, kg5.4
Slenderness (length ÷ width)5.90
Slenderness band> 5.0
Mount—
Strap inserts—
Build—
Construction—
Disciplinesdownwind
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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