The Exclusive RX 100 Pro combines Lange's Exclusive women's fit, all new Control Fit technology and a 97mm last to deliver the most aggressive and comfortable women's ski boot on the market. New Control Fit technology gives this boot the best "out of the box fit" imaginable. A faux-fur Control Fit Liner addresses traditional hard to fit issues. The true lasted liner, one piece toe box, instep pocket and saddle stitched seams alleviate common pressure points and increase circulation. With a slightly snugger ankle fit than its competitors, a shorter upper cuff to fit the ladies lower calf muscle and replaceable Ultra Grip soles, the Exclusive RX 100 Pro delivers on the needs of big mountain female rippers with a precision fit, power and comfort that no other boot in it's class can match