Alpine ski boots all mountain ski boots suitable for women season 2017 skill levels beginner advanced last 100 mm width average flex index 70 flex medium special features removable toe and heel pads with canting 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 technology twinframe l