Freeride ski boots all mountain ski boots suitable for men season 2017 skill level expert last 100106 mm widths average wide flex index 120 flex hard special features adjustable foot width thermoformable shell removable toe and heel pads ski walk mechanism lining features breathable weight 3 770 g outer materials polyurethane polypropylene colour blue fasteners buckle fastener velcro buckle 3 x buckles strap 45mm velcro strap shoe technologi