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Break The Speed Barrier

X-15 Windfoil Board

Name: X-15 Windfoil Board
Brand: Starboard Windsurf
SKU: 1005260101001
Price: 3699.0 EUR
Availability: InStock
Rating: 5 (2 reviews)

Advanced computer modeling takes the new X-15 85 to another level, introducing sharper rails and a refined tail profile that significantly reduce hydrodynamic and aerodynamic drag, delivering unparalleled stability in gusty conditions. The updated X-15 79, now 4 cm shorter, dramatically decreases swing weight, enhancing maneuverability and ensuring lightning-fast, controlled acceleration exactly when you need it most.

Size: 79

79 85

Construction: Carbon Reflex Sandwich

Product variants

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OPTIMIZED AERODYNAMICS

Advanced computer analysis has led to sharper rails and a refined tail profile that drastically reduces both aerodynamic and hydrodynamic drag.

ENHANCED STABILITY

The new design delivers a board that stays stable when gusts hit—accelerating without unwanted lateral movement, key for performance in the red zone.

TAILORED FOR AGILITY

The X-15 79 is now 4 cm shorter, reducing swing weight to boost maneuverability while retaining the extreme speed and precision synonymous with the X-15 series.

SHARPER RAILS

Optimized rails deliver a smooth deck profile with minimal resistance for reduced drag.

LATERAL-FREE ACCELERATION

Enhanced stability ensures acceleration without lateral movement, perfect for high-speed conditions.

REFINED TAIL PROFILE

A reprofiled tail minimizes both hydrodynamic and aerodynamic drag for enhanced stability.

EARLY FOIL TAKEOFF

Optimized profiles help get smaller high-speed foils working faster and more efficiently.

RESPONSIVE UNDERFOOT

A refined rear strap stance and flatter deck profile deliver precise control in every gust.

COMPACT DESIGN (X-15 79)

A 4 cm reduction in length decreases swing weight, increasing maneuverability for agile performance.

EXTREME SPEED FOCUS

Thinner overall profiles reduce aero drag and side wind interference for maximum speed potential.

CARBON REFLEX CONSTRUCTION

Built in advanced Carbon Reflex technology, offering unmatched responsiveness and strength.

152 L | 221 cm | 79 cm

Now 4 cm shorter for reduced swing weight and enhanced maneuverability, the X-15 79 also features sharper rails and a refined tail profile that cut drag for more stable, lateral-free acceleration in the red zone.

166 L | 225 cm | 85 cm

Engineered with precision, the X-15 85 boasts sharper rails and a reprofiled tail that minimizes both hydrodynamic and aerodynamic drag. The result is exceptional stability and explosive acceleration without lateral deviation.

Carbon Reflex Sandwich

THE FLAGSHIP CONSTRUCTION

The Carbon Reflex Sandwich construction is our lightest, proven flagship construction and has some of the lowest warranty rates in the industry. Using the lightest biaxial carbon provides more feel, more responsiveness and more controlled flex than conventional boards. On the water, this construction will provide you with ultimate performance. It delivers the most direct feedback from the foil and allows for quicker and more precise movements. With the Carbon Reflex Sandwich construction you’ll start foiling earlier.