Racing ski boots suitable for men season 2016 skill level expert last 98104 mm widths narrow average wide flex index 120 flex hard special features straps on boot liner rear adjustable foot width thermoformable shell ski walk mechanism easy entry with canting lining features thermoformable boot liner weight 4 110 g outer material polyurethane fasteners buckle fastener velcro buckle 4 x micro adjustable aluminium buckles strap 45mm velcro strap