All mountain ski boots freeride ski boots suitable for men season 2017 skill level expert last 100 mm width narrow flex index 130 flex hard special features with canting easy entry anti slip sole straps on boot liner rear adjustable spoiler ski walk mechanism walk to ride wtr compatible lining features thermoformable boot liner canting single canting weight 2 058 g outer materials polyolefin polyether colour white fasteners buckle fastener vel