"Blaster Pro ski boot from Lange fits more shapes of feet well because of its102-mm width shell in the forefoot. Featuring the Climbmatic Cuff-Release System, a skihike feature, and the Ultra Grip Soles giving the skier the ability to hike or tour more comfortably. The Blaster Pro also offers exceptional alpine performance with a 100 polyether flex index, efficient neutral and upright stance, and a Control Fit Liner"