All mountain ski boots suitable for men season 2016 skill levels advanced expert last 98 mm width narrow flex index 110 flex hard special features straps on boot liner rear anti slip sole shock absorber high thermal insulation removable toe and heel pads easy entry lining features thermoformable boot liner canting double canting outer material polyurethane colour black fasteners buckle fastener velcro buckle 4 x buckles strap 45mm velcro strap