KT Foiling Arc Pro Carbon 78

78volume, L
1,803length, mm
527width, mm
3.42slenderness

Mount twin-track Disciplines parawing, wing, efoil, prone

The Arc Pro Carbon has 6 sizes in the current range, from 48 to 98 L. Its slenderness, 3.42, is greater than that of 72% 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 KT Foiling Arc Pro Carbon 78, closest first.
Brand	Board	Volume L	Δ volume	Length mm	Δ length	Slenderness	Mount
Amos	Sultan RTS 5'10" 20 1/2" 4 7/8" 75L	75	-3.8%	1,778	-1.4%	3.41 (-0.3%)	twin-track
Naish	Chimera (2027) 80L 5'10"	80	+2.6%	1,778	-1.4%	3.41 (-0.3%)	—
Takoon	Glide ML FST 2026 15kg EPS 5'10 75L	75	-3.8%	1,778	-1.4%	—	—

Specifications

Every figure is KT Foiling'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	Arc
Model	Arc Pro Carbon
Size, as the brand prints it	78
Volume, L	78
Length, mm	1,803 (5'11")
Width, mm	527
Thickness, mm	109
Weight, kg	4.7
Slenderness (length ÷ width)	3.42
Slenderness band	3.0–4.0
Mount	twin-track
Strap inserts	yes
Build	—
Construction	Pro Carbon
Disciplines	parawing, wing, efoil, prone
Rider weight	70–90 kg (the brand’s stated range)
Rider level	—
Model year	—
Source	manufacturer · read 2026-10-02

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

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