Alpine ski boots suitable for men season 2016 skill level expert last 100 mm width average flex index 120 flex hard special features straps on boot liner rear high thermal insulation walk to ride wtr compatible adjustable flex with canting lining features anatomically mouldable boot liner outer material polyether colour black fasteners buckle fastener velcro buckle 4 x micro adjustable aluminium buckles strap 50mm velcro strap inner material th