Be One with your boots, Be One with your line. The LANGE WORLD CUP ZJ+ (110 flex) race boot is designed to propel elite-level race athletes to the top of the podium. Featuring an extra-thick, mono-injected construction, our neutral upright Natural Stance, and a race-hinged design, our WORLD CUP race boot acts as a natural extension of your body for total control through the turn, delivering the most efficient precision and power transmission in ski racing.