Volkl Katana 108A waist width of 108 mm and a Titanal frame for the experienced and highly athletic freerider. If you like going really steep and fast off piste, youll quickly appreciate the stability and shock absorption offered by the 0. 7 mm thick Titanal frame that surrounds the highly stressed tip and tail areas. A 0. 3 mm Titanal sheet in the binding area furthermore provides the necessary rigidity. Even under maximum strain, the binding screws offer the same