Description of Volkl Katana Skis The Katana features a top-end, wood core and vertical sidewall construction, with two sheets of titanium. A 111mm waist gives you float, while the beefy construction gives it great handling on harder snow. For good skiers who want a deep powder ski that they can use on the groomed from time to time. Features: 176: 22.8, 141-111-131 183: 25.2, 141-111-131 190: 27.6, 141-111-131