The Rossignol Sonar Women's Snowboard Bindings are comfort and fit at a price you can't resist. HC-1 Baseplate for response I-Back highback for support 3D EVA straps for comfort and energy transfer DLC buckles for reliability and smoothness adjustable heel cup and tool free forward lean adjuster for custom fit. The Sonar's technical features use the same materials as the high-end models because you shouldn't have to compromise on performance just because of price. Key Features of the Rossignol Sonar Women's Snowboard Bindings: HC-1 Baseplate - Dupont Zytel polymide w/ fiberglass / Adjustable 6082 T6 aluminum heel cup w/ boot size indicator I-Back Highback - Polymide / Thermoformed EVA padding / Tool free forward lean adjuster / Rotation adjuster 3D EVA Straps - Anatomic 3D shape / Dupont Hytrel polymide reinforcement w/ thermoformed EVA padding / Length adjuster / Anti-rotation toe straps / ACDC hollowed toe strap DLC Buckles - Aircraft aluminum / Fast gearing / Smooth releas...