Lange's new RX 100 combines the racing pedigree of RS with enhanced all-mountain features in an exact, comfortable 100mm fit, delivering the ultimate in all-mountain precision, comfort, and performance to advanced skiers. Featuring all of Lange's key fit and performance solutions: Control Fit, mono-injection shells and modern, efficient stance angles, the new RX includes Lange's new Custom Tongue technology for maximum customization where circulation is often cut-off for even greater comfort, warmth, and control. RX simply fits more feet better, delivering enhanced comfort, precision and power to the most committed all-mountain skiers.