The Lange Men's RX 100 Ski Boots give you the perfect balance of performance and comfort. They are designed to deliver the power and precision demanded by the most committed all-mountain skiers. The new Dual Core shell construction and Dual 3D liner integrate perfectly, ensuring unparalleled foot-wrapping, precision, and power transmission. With the new RX specific fit, theyretain Lange's strong heel lock and foot hold with more instant "out-of-the-box" comfort. The Lange Men's RX 100 Ski Boots offer a racing pedigree with a more inclusive high-performance fit.