Racing ski boots kids ski boots suitable for kids season 2016 skill level advanced last 98 mm width narrow flex index 100 flex medium special feature with canting lining features thermoformable boot liner outer material polyurethane colour yellow fasteners buckle fastener velcro buckle 4 x micro adjustable aluminium buckles strap 35mm velcro strap shoe technology twinframe liner my custom fit pro series salomon x max additional information