Slingshot, 2025

UltraFly 2025

1651mm long · 5'5"

699mm wide

152mm thick

105litres

Open in Studio See it on slingshotsports.com

Sizes & Numbers

Listed by the brand, read off a photo, or worked out: where every number comes from

In one line

Its width sits further forward. A round tail, a full nose and gently curved rails.

derived · against the 169 other wing foil boards in the atlas, read off the outlines.

As listed by Slingshot

Slingshot UltraFly 2025: every size as listed by Slingshot
size	length	width	thickness	weight
105 L	65" · 1651 mm	699 mm	152 mm · medium confidence	5.2 kg
120 L	67" · 1702 mm	711 mm	152 mm	5.5 kg
140 L	70" · 1778 mm	711 mm	152 mm · medium confidence	5.6 kg

Every size side by side, tails on one line, one scale

Next to your board?

Lay the Slingshot UltraFly 105 L over up to four others, at one scale.

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Shape & Rocker

From above, then from the side, true scale · the chosen size solid, the others dashed

Read off the 105 L outline · derived

58 %wide point, 964 mm from the tail

2.34length over width

559mm wide 12″ from the tail

9,760cm² of planform

Read off the 120 L outline · derived

58 %wide point, 994 mm from the tail

2.39length over width

559mm wide 12″ from the tail

10,133cm² of planform

Read off the 140 L outline · derived

58 %wide point, 1039 mm from the tail

2.50length over width

553mm wide 12″ from the tail

10,586cm² of planform

Rocker of the 105 L · estimated

≈ 100 mmtail rocker, at the tip

≈ 22 mm12″ from the tail

≈ 8 mm12″ from the nose

≈ 83 mmnose rocker, at the tip

≈ 166 mmflat to within 3 mm, from 41 % to 51 % of the length

45 %of the length to the lowest point, from the tail

≈ 189 mmat its thickest, 32 % from the tail · on the photo; Slingshot lists ≈ 152 mm

≈ 73 mmlonger along the bottom curve than flat

Lay this rocker over other boards

Rocker of the 120 L · scaled from the 105 L, estimated

≈ 103 mmtail rocker, at the tip

≈ 23 mm12″ from the tail

≈ 8 mm12″ from the nose

≈ 86 mmnose rocker, at the tip

≈ 169 mmflat to within 3 mm, from 41 % to 51 % of the length

45 %of the length to the lowest point, from the tail

≈ 189 mmat its thickest, 32 % from the tail

≈ 75 mmlonger along the bottom curve than flat

Lay this rocker over other boards

Rocker of the 140 L · scaled from the 105 L, estimated

≈ 109 mmtail rocker, at the tip

≈ 25 mm12″ from the tail

≈ 10 mm12″ from the nose

≈ 91 mmnose rocker, at the tip

≈ 173 mmflat to within 3 mm, from 41 % to 51 % of the length

45 %of the length to the lowest point, from the tail

≈ 189 mmat its thickest, 32 % from the tail

≈ 79 mmlonger along the bottom curve than flat

Lay this rocker over other boards

True proportions · dots at 10 mm and 12″ in from each tip · bracket: flat to within 3 mm · On Slingshot's photo of the 105 L, whose tail rises 99.6 mm against a nose of 83.1 mm: its tail end may be the wrong way round. Tail end set by Slingshot's photo convention, not checked by a person. · estimated