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Data sheet updated August 2026
The Duotone Crush SLS 2027 is Duotone's compact prone and surf foil board, purpose-built for tight turns and effortless pumping. Its refined nose, wider fish tail, concave deck, and 3mm pad all work together to bring you closer to the foil. Available in just two sizes, 27 and 35 liters, it also features integrated cable routing for electric assist.
KEY INFORMATION
DUOTONE CRUSH SLS 2027 - Prone Foil and Surf Foil Board
What we like
- Direct connection: The 3mm deck pad transmits every bit of foil feedback, so you feel exactly what the board is doing.
- Easy pumping: the low rocker helps you link waves without losing speed.
- Handling: A refined nose reduces inertia, allowing for tighter turns.
- Cornering control: The wider fish tail and set-back foot position give you incredible drive in turns.
- Quick foil setup: Open carbon foil tracks at the rear mean you can slide the foil in without any disassembly.
- Contained weight: Duotone trimmed every ounce, with no strap inserts, a thin pad, and carbon rails.
- Assist-ready: Integrated cable routing makes it ready for use with a Foil Assist.
Use
Surf • Prone / Surf Foil • Foil Assist
Available sizes
Color
C59 - Purple
Included / Not included
✓ Included: Board, Carbon US foil rails, 3 mm Deck pad
✗ Not included: Foil, Bag
DETAILED DESCRIPTION
A short-cut prone shape
The Crush SLS 2027 comes in at 127 cm for the 4'2-inch and 134 cm for the 4'5-inch. This reduced length is key to the board's ability to turn short. The refined nose removes unnecessary material that would only hinder rotation, and the volume distribution has been re-engineered to place weight closer to your feet. On a hollow wave, the board tracks along the rail instead of dragging.
The concave deck and 3 mm pad
Duotone has sculpted a subtle concave into the deck and fitted a mere 3 mm pad. These two features work in tandem: the concave cradles your foot, while the minimal thickness allows direct feedback from the foil. You'll feel the Front Wing begin to stall before it fully does. This design makes the Crush incredibly responsive for pumping and confidence-inspiring during hard carving.
Fish tail and drive in turns
The tail flares out into a fish tail, wider than on the previous model. This, combined with a set-back foot position, provides crucial support when you load the rail. The board won't lose grip when you tighten your turn; it keeps pushing through. This is the most significant change compared to a classic prone board.
Biax Carbon Construction
Lightweight Biax Carbon and carbon foil rails define this construction. The foil connection area is the most stressed part of any prone board, so stiffening it eliminates parasitic flex between your front foot and the plate. This results in direct power transfer. The board responds instantly. Duotone's announced weight: 2.70 kg for the 4'2-inch and 3.10 kg for the 4'5-inch.
No footstrap inserts, and that's by design
The Crush SLS does not accept straps. Duotone made this deliberate choice to reduce weight. This isn't an oversight: if you ride with straps, check out the Sky Style or Skybrid instead. The pad covers the entire standing area, so you ride this board barefoot.
Prone, surf foil, and electric assist
The integrated cable routing lets you mount a Foil Assist without modifying the board. This opens up the Duotone Crush to three uses: prone paddling, surf foil, and assisted take-off. The 4'2-inch at 27 liters is the most agile option, perfect for experienced riders who crave tight turns. The 4'5-inch at 35 liters is more forgiving. It is suitable for heavier riders or those progressing in prone.
SIZE GUIDE
| Size | Volume | Width | Length | Weight (kg) | Recommended rider weight |
|---|---|---|---|---|---|
| 4'2'' | 27 l | 17.75'' / 45 | 4'2'' / 127 | 2.70 | 45-80 kg |
| 4'5' | 35 l | 18.75'' / 47.5 | 4'5'' / 134 | 3.1 | 65-100 kg |
VIDEOS
TECHNICAL SPECIFICATIONS
| Specifications | |
|---|---|
| Type | Prone foil and surf foil board |
| Construction | Biax Carbon, carbon foil rails |
| Foil rails | 2 integrated carbon US rails, rear openings |
| Hull shape | Rear cut-outs, slight nose rocker, concave deck |
| Tail | Wider fish tail |
| Deck pad | 3 mm, grippy |
| Footstraps | No inserts, Duotone's choice to reduce weight |
| Electric Assist | Integrated cable routing |
| Weight | 2.70 kg in 4'2-inch, 3.10 kg in 4'5-inch (Duotone tolerance ±6%) |
| Color | C59 Purple |
| Season | 2027 |
3D VIEW
FAQ - DUOTONE CRUSH SLS 2027
For the advanced or expert rider in prone foil and surf foil. Only two sizes, 27 and 35 liters: this is not a beginner board. You must already know how to take-off by paddling or in the wave.
It features Biax Carbon construction, 2 carbon US foil tracks with rear openings, a refined nose, a widened fish tail, a concave deck, a 3mm grippy deck pad, cut-outs under the hull shape, and cable routing for electric assist. There are no footstrap inserts.
Duotone recommends the 4'2-inch at 27 liters for riders from 45 to 80 kg and the 4'5-inch at 35 liters for riders from 65 to 100 kg. The 4'2-inch turns shorter, while the 4'5-inch is more forgiving on take-off. Between the two, your prone level matters more than your weight. Give us a call!
The foil connection. A thin pad, concave deck, and carbon rails keep your foot close to the plate. They transmit ride feel. The wider fish tail adds drive in turns, where many prone boards stall.
Rinse with fresh water, starting with the foil tracks and screw set. Dry completely before storing. Never store it in a closed bag in the sun. Check the plate screws before each session: on a prone board, that is what loosens.
Pair it with a prone or surf foil, a board leash, and a bag. Duotone recommends the Wing Boardbag Single 4'8-inch for both sizes. The cable pass-through accommodates an electric assist system, sold separately.
Benefit from the expert advice of our specialized team and comprehensive after-sales support.
▶ Need advice?
GlissEvolution, 2c avenue du Gulfstream, 44380 Pornichet (Loire-Atlantique)
09 62 64 74 77 | WhatsApp: 07 83 28 39 94, Tuesday to Saturday, 10am-1pm / 3pm-7pm
Test center available by appointment
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