Racing ski boots suitable for women season 2016 skill levels expert advanced last 98104 mm widths narrow average wide flex index 110 flex medium special features with canting thermoformable shell 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 technologies twinframe custom shell 3