K2 Afterblack vs K2 Instrument

How they compare

the K2 Afterblack leans more freestyle, while the K2 Instrument leans more freeride. The K2 Afterblack uses a twin shape while the K2 Instrument is directional. Both feature camber profiles — 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.