K2 Instrument vs K2 Medium

How they compare

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