Duotone Ultra Grip (Quad) D/LAB is a World Cup Wave board manufactured in full custom production. A wider outline combined with the 3-stage rocker and the SYNCED CURVES concept provides a unique mix of stability and radical wave performance. The board feels as stable as a board 5 liters bigger, yet turns as radical as a board 5 liters smaller.
The segmented rocker line (nose, midsection, tail) ensures optimal behavior in every maneuver – easier initiation of the bottom turn with the front foot and powerful top turns controlled by the back foot. The progressive tail-kick generates instant acceleration and allows for tight, controlled snaps at the top of the wave.
GRIP VS. ULTRA GRIP
- Grip D/LAB – lower nose rocker with a wider nose and tail. Planes up earlier, keeps momentum in less powerful waves, and performs better in euro-wave conditions. Offers extra drive on slower waves and works well in onshore conditions.
- Ultra Grip D/LAB – higher nose rocker with a narrower outline. Requires more wave power and wind but provides superior control in high-speed rail turns on powerful ground swells. Optimized for spots like Maui, Cape Town, Cabo Verde.
TRI VS. QUAD
- Tri setup – ideal for side/side-on conditions, allows for vertical and looser turns. In bigger waves it requires a more committed, vertical riding style.
- Quad setup – best for side/side-off and strong currents, offering more grip especially for lighter riders and smaller boards. Not recommended for onshore conditions as the extra drag of four fins limits slashy turns.

Product highlights
FULL CUSTOM D/LAB TECHNOLOGY
Construction equivalent to the highest-end custom boards, but with guaranteed consistency and quality
WIDE RANGE OF USE
As stable as a bigger board while turning as radical as a smaller one – thanks to the innovative shape concept
AI_BOARD_3D
Exclusive CAD software enabling complex design solutions such as the SYNCED CURVES concept
CNC SHAPING
Produced with full CNC precision in Duotone’s exclusive factory – optimum weight-to-strength ratio
WORLD CUP WAVE DESIGN
Developed for professional riders, tuned for a variety of wave spots and conditions worldwide
DEDICATED FIN PRODUCTION
Fins produced with three different technologies, depending on size and intended use
Features

- Construction - FULL CUSTOM D/LAB
- AI_BOARD_3D - design with SYNCED CURVES concept
- 3-stage rocker - (nose, mid platform, tail-kick)
- Wider outline - for stability and maneuverability
- V double concave - in the front section
- Bottom - Grip: continuous V bottom / Ultra Grip: flat double concave + mono concave tail
- Fins - available with Tri or Quad fin box setups
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