K2 Instrument vs K2 Spellcaster

How they compare

the K2 Instrument leans more freeride, while the K2 Spellcaster leans more freestyle. The K2 Instrument uses a directional shape while the K2 Spellcaster is twin. The K2 Instrument has a camber profile (arc underfoot for strong edge hold, pop, and stability on hardpack—lively and precise), while the K2 Spellcaster uses other (mix of camber and rocker zones for all-mountain versatility—grip, float, and play in one profile). The K2 Instrument is slightly stiffer, though both sit in the medium range.