Description of K2 Lotta Luv Skis and ERS 11.0 TC Bindings - Women's The addition of the all new women’s specific ERS binding option allows this ski to get a whole lot wider, expanding to 82mm under foot while still keeping the performance characteristics of a narrower waisted ski. This translates into a ski with high end performance and unsurpassed versatility on hard pack, crud, or soft snow. Features: Performance: Ungroomed 50% Groomed 50% Sizes: 149, 156, 163, 170 Radius: 14m@163 Construction: Metal Laminate Cap Core: Bioflex Binding Options: K2/Marker ERS 11.0 TC Mod monic Mod technology