​The 2025 Kästle ZX108 is a freeride ski designed for advanced skiers seeking versatility across varied terrain. With a 108 mm waist and a poplar-beech wood core, it offers stability and maneuverability in powder conditions. The ski's semi-cap sandwich construction, combined with Hollowtech 2.0 technology, reduces weight and enhances damping, ensuring a smooth ride even at high speeds .​