Alpine ski boots all mountain ski boots suitable for women season 2017 skill level advanced last 100106 mm widths average wide flex index 90 flex medium special features with canting removable toe and heel pads adjustable flex lining features thermoformable boot liner womens specific liner outer material polyurethane colour black fasteners buckle fastener velcro buckle 4 x micro adjustable aluminium buckles strap 35mm velcro strap shoe technolo