Description of Volkl Attiva Tierra Skis w/ IiPT 11 Bindings - Women's For good-skiing women who want the ultimate all-conditions ski, the Tierra brings our highest technology to the table. Attiva Motion iPT and Extended Double Grip are at the heart of the matter, and the 118-76-104 shape is just right for a 50/50 blend of frontside carving and backside floating. The Attiva Motion 12.0 Piston is also be available on the Tierra. Features: Lengths (Radii): 149: 13.2, 156: 14.8, 163: 16.5 Extended Double Grip Construction 20/20 Extended wood core 2 Titanium sheets