The CORE Spectrum stabilizer (rear wing) provides even, predictable flight. Easy, steady takeoffs and super smooth turns.
The larger size imparts a more balanced flight behaviour at all speeds. The dihedral curvature lets you tilt the foil into turns like a skateboard for a smoother cruising behaviour. Gybes, tacks, 360s, and transitions are much easier since you can feel your back wing and use it to pivot the foil.
A high-quality lightweight carbon and PU foam construction is more complex to build than a pure carbon wing but the weight savings is worth it.