The K2 Mindbender 105 BOA W Alpine Touring Ski Boots are equipped with the latest BOA technology, providing a customized fit that's powerful on the way down yet easy to handle on the skin track. Their PrecisionFit Pro Tour Liner is fully heat moldable, and a Powerlock Spyne walk mechanism provides a huge range of motion for comfortable walking. Don't compromise fit and power in the backcountry, get into the Mindbender 105 BOA Ws and explore your world.