📘 How to choose — your buying guide
The foil is the heart of your session: it defines lift, speed, agility and how easily you fly. At F-ONE, the range is built as a logical progression — you start on a forgiving profile, then refine towards a more specialised foil depending on your discipline. Your ideal setup depends on 4 factors: your level, your weight, the conditions and your program.
Understanding aspect ratio (AR)
Aspect ratio is the relationship between the span of the front wing and its depth (chord).
- Low AR — compact, stubby wing: more stability, forgiveness and low-speed lift, easy pumping to take off. Ideal for beginners and small conditions.
- High AR — long, thin wing: better glide, top speed, upwind ability and efficiency, but more demanding to ride. For experienced riders, waves, racing and downwind.
Choosing well means finding the right AR compromise for your level and your playground.
The logic of the F-ONE range
F-ONE builds its ranges in progression stages that share a similar balance — for example GRAVITY → PHANTOM → SEVEN SEAS → EAGLE. You can move from one foil to the next without relearning everything:
- GRAVITY: maximum volume and lift — perfect for beginners, light riders or light wind.
- PHANTOM: the versatile benchmark — glide and accessibility, ideal for wingfoil and progression.
- SEVEN SEAS: geared towards surf-foil and waves — agile and playful.
- EAGLE: high aspect ratio — performance, speed and glide for advanced riders.
Choosing by program
- Wingfoil: a forgiving, lifty foil to start (Gravity / Phantom), then more AR when you want speed and upwind.
- Surf-foil: an agile, reactive foil in the wave (Seven Seas).
- Kitefoil / race: high AR for speed and pointing.
- Downwind / SUP-foil: lots of glide and efficient pumping.
Surface area: by weight and wind
The heavier you are or the lighter the wind, the more surface area (cm²) you need to take off early. The lighter you are or the more powered you are, the smaller you can go for more speed and control. When in doubt as a beginner, size up: a foil that takes off early dramatically speeds up learning.
Construction & technologies
F-ONE offers several constructions (aluminium, carbon, monobloc…) that affect stiffness, weight and price. Carbon offers the best reactivity and a feather weight; aluminium remains excellent value for getting started.
Not sure? Tell us your level, weight and spot — we'll recommend the ideal F-ONE foil, and you can even rent it on Lake Neuchâtel before you buy.
Elevate Surf buying guide — based on the F-ONE range.
PLANE SK8 850 (CARVING 158 XS)
CHF 1'109.00
Intuitive, responsive and incredibly playful, the new SK8 builds on the proven strengths of its predecessor and benefits from a reworked design, improved construction and an unmatched surf feel, with even more glide, control and freedom when carving.
Aspect Ratio: 8.0
The new profile guarantees perfectly balanced pressure between front and back foot
Reworked outline and wingtips for improved roll and more precise manoeuvrability
Agile foil across the whole speed range, even when overpowered
The most versatile foil in the range, built to do it all
TITAN 2 connection for more precision and direct feedback
Dynamic Structural Design: optimized layup for more control and stability
Available on backorder
Marque: F-One
| Variation | Taille | Colour | Stock | External stock | Regular price | Sale price | Reference | Quantity | Add to cart |
|---|---|---|---|---|---|---|---|---|---|
| Bladder S2 – 11m² – BANDIT S3 | 0 | 5 | 48.9 | Unavailable | 77221-6172 | Add to cart |
PLANE SK8 850 (CARVING 158 XS)
For this third generation of the SK8, the foil's profile and outline have been reworked to offer an even closer "surf feeling", guaranteeing consistent pressure whether carving in the critical part of the wave or wing riding overpowered in chop.
With refined wingtips and a perfected carbon layup, the SK8 stays fast and playful while gaining manoeuvrability, comfort and low-speed efficiency. It handles exiting the water with ease and allows for tight turns and easy transitions.
The result is an intuitive, responsive foil that invites you to push your limits as soon as you step on it. The SK8 links more turns together and offers better performance across a wider range of conditions. It offers perfectly balanced pressure between front and back foot: no overpowering, no jolts and no porpoising, just steady control throughout the session.
The new SK8 also retains full manoeuvrability across the whole speed range. It stays loose and responsive, never locking up, even at full speed.
Whether carving small waves or bumps out at sea, hitting the foam or linking turns on long, peeling waves, the SK8 comes alive under your feet. In wing, it shines with its high-speed glide and upwind performance, letting you sail fast without overworking your wing or your arms.
From clean waves to choppy bumps, the SK8 is the foil you need to carve and enjoy this pure surf sensation.
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