Designed to shred the frontside, the carve-happy FireArrow FI uses a lateral-focused, three-buckle shell design with a 45-degree closure system designed to lock in the heel and take pressure off of the forefoot. A 100 mm last and roomy toe box results in a friendlier fit. Innovative EDT technology adds a carbon fiber bootboard attached directly to the shell for more force with less energy—measured by Nordica’s Dynamic Performance Code, which evaluates stiffness, progression and rebound.