Chase WB-ML Midlength Foilboard

SKU: CHASE_WB_ML_MIDLENTH_FOILBOARD
EAN code:
RRP: 0,00 €

55
70
85
100
115

BRANDNEW MIDLENGTH WEAPON FOR WING, PARAWING, PRONE AND E-FOIL USE.

OVERVIEW

These new Mid Length foil shapes have been developed to deliver a level of neutrality, balance, and performance that feels unmatched.
With the WB-X Mid Length series, we’ve created boards that provide effortless glide and stable flotation, yet feel more agile and responsive the moment you lift off.

Whether you’re using a wing, soaring with a parawing or carving waves on a foil, these boards are designed for ultimate versatility and control.

SPECS

  Volume  Length (mm) ‌ Length (ft)   Width (mm) Width (ft)  Weight (kg)  Straps  Foil Box RRP
 WB-ML 55 ‌ 55  1702 ‌ 5'7  540 ‌ 18.2  4,0  3  2x US 10'' ‌ 1699 €
 WB-ML 70 ‌ 70  1791 ‌ 5'10.5  555 ‌ 18.8  4,5  3  2x US 10'' ‌ 1749 €
 WB-ML 85 ‌ 85  1880 ‌ 6'2  570 ‌ 19.8  5,1  3  2x US 10'' ‌ 1799 €
 WB-ML 100 ‌ 100  1965 ‌ 6'5.5  585 ‌ 20.7  5,6  3  2x US 10'' ‌ 1849 €
 WB-ML 115 ‌ 115  2057 ‌ 6'9  600 ‌ 21.7  6,1  3  2x US 10'' ‌ 1899 €

 

(All weights +-5% custom production tolerance)

DESIGN

After extensive testing and fine-tuning, we’re proud to present our most dynamic foil board concept to date:

• Optimized volume distribution for an easy approach, stable starts, and a perfectly balanced ride, regardless of conditions
• Longer, narrower outline to generate early lift, accelerate naturally, and minimize drag for a faster, more efficient ride
• Sleeker width for greater agility, allowing for smoother rail-to-rail transitions and more control during carving maneuvers, whether you’re winging or prone surfing
• Low-drag 3D shapes that helps maintain smooth control through gusty winds or choppy waters, especially when flying with a parawing
• Concave deck with diamond grip to provide superior foot placement and lock-in traction during aggressive carving or when riding waves
• Adaptive constructions for a perfect strength-to-weight ratio, ensuring durability and performance without unnecessary weight

For the larger models in our range, the higher volumes offer more than just a foil board: they’re an alternative choice for SUP foil downwind runs or SUP foil riding beach breaks, providing the extra flotation and stability needed for longer runs or wave rides. With a comprehensive range of sizes and the refined geometry of a mid-length board, you’ll find the perfect match for your riding style—whether you’re pushing the limits with your parawing, downwinding on a foil, or carving through the surf.

KEY FEATURES

Forward Widepoint: The max width is positioned slightly more centered near the front foot. This design helps maintain a sharp entry for the water flow, improving take-off efficiency. The added nose volume also enhances tolerance, providing more control and stability through the pumping process.

Longitudinal Deck Recess: This feature offers excellent grip while also transmitting the wind-generated power effectively forward. The specific rake of these boards offer the optimal compromise between pumping and while sailing.  

Parallel Outline: The parallel outline ensures an easy tracking and natural stability when pumping, while the reduced width compared to classic wing boards still allows excellent carving abilities. 

Adaptive Rails: The rounded bottom in the nose area transitions early into angled bevels around 45 degrees, which gradually become more vertical toward the tail. This rail design enhances take-off ability by providing a more dynamic response when pumping, as well as better water release. The sharper vertical rails at the tail improve pop back after jumps, giving you added versatility. While freestyle is not the main focus of this model, the pop and controlled response allow for occasional freestyle moves with ease.

No Foil Track Recess: In place of the traditional foil track recess, we’ve designed the board to be fully compatible with the Foil Drive assist system (allowing seamless integration for low-speed take-offs and reduced drag). The system is now possible to install on any volume of the range, and provides smoother acceleration, enabling better control in light wind or low-power conditions.

Progressive Tense Rocker Line: The rocker offers the perfect balance between easy glide and aggressive pumping, ensuring that the board performs well under a variety of conditions. It’s designed to allow quick acceleration while providing stable, controlled glide, making the board responsive when you need it most.

55L
The WB-ML 55 is perfect for lightweight riders or those looking for high-performance in extreme conditions. Ideal for light wind winging, prone foiling, and aggressive para winging, the 55L offers unparalleled agility and control. This board excels in high wind conditions and delivers a sharp, responsive ride even matching some basic freestyle moves. The narrower outline makes it highly maneuverable while still offering enough stability for quick takeoffs. With a sleek, compact design, this board also performs incredibly well for prone foiling. Whether you’re chasing a high-wind parawing session or pushing into prone foil, the WB-X 55 provides just the right amount of balance without compromising performance.

  • Lightweight option for prone foiling or lightweight riders
  • Ideal for high-wind parawing sessions
  • High-performance, sharp takeoff and maneuverability
  • Perfect for carving in small waves, freeride winging, prone foiling, and aggressive pumping 

70L & 85L
These two sizes are the sweet spot for riders of all levels looking for that perfect mix of agility and stability. Whether you’re looking to parawing in lighter winds, carve the surf with your wing, or practice your basic freestyle maneuvers, the 70Land 85L are designed to excel across a wide range of conditions. The parallel outline and centered max forward point provide an intuitive foot position and help with tracking, while the progressive rocker ensures a smooth ride through the wind and water. These boards have just the right volume to give you extra lift without sacrificing responsiveness, making them perfect for transitioning between disciplines. While 70L is great for lighter riders, the 85L is perfect for medium to heavier riders who want a slightly more stable platform without sacrificing performance.

  • 70L: Best for light to medium weight riders
  • 85L: The key size for most riders who want to balance parawingwinging, and basic freestyle
  • Parallel outline for stable tracking and intuitive foot positioning
  • Great for both high-performance winging and parawing
  • Smooth takeoff and freestyle-friendly with enough float for light wind days

100L & 115L
The larger 100L and 115L sizes are perfect for those who want to SUP foil in addition to their regular winging, or for riders looking for a bit more stability and extra volume for downwind runs, whether it’s with a wing or parawing. These boards feature the same responsive rocker and pumping capabilities as the 70L and 85L but with a longer length for smoother glide and easier foil takeoffs. Whether you’re cruising on larger waves or pushing your limits in downwind sessions, these boards are versatile and ready to take on any challenge. The 100L and 115L are also great for beginners transitioning to SUP foil or wing foil, offering a more stable platform without sacrificing performance.

  • 100L & 115L: Perfect for advanced SUP foiling, light wind winging, parawing, for medium to larger riders
  • Extra volume and stability for SUP foil or freeride winging
  • Longer length ensures smoother glide and takeoff
  • Responsive rocker and aggressive pumping for high-performance sessions

Whether you're cruising the waves winging, launching your parawing, or pushing into SUP foil, the WB-X Mid Length boards provide the perfect combination of agilitystability, and performance. Designed for those who want to enjoy maximum versatility across all foil disciplines, these boards are the ultimate tool for progression and fun.

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About Us

With over 25 years of technical expertise, shaper and designer Patrik Diethelm is far more than just another name in windsurfing. From his humble beginnings as a shop customer to becoming a high-profile F2 brand employee and PWA professional, founding the PATRIK brand with Karin Jaggi in 2010 was a natural next step.
Today, we design and produce windsurfing boards and sails, rig components, foils, fins, and some of the most advanced wings and boards in the industry. Windsurfing is where we come from—and it’s still what drives us. Over the years, we’ve grown to love winging, surf foiling, and every other wind sport just as passionately.
Join the PATRIK family now!