The K2 Sidecar Snowboard Boot delivers the warmth, comfort, and performance young riders need for full days on the mountain. A secure BOA Fit System with durable TX3 lacing provides a reliable fit, while the heat moldable Comfort EVA liner offers breathable warmth and a personalized feel. Internal J bars add ankle support and responsiveness, and the Grows A Long shim system helps extend the life of the boot as your young rider grows.