2014 GNU Choice Snowboard Bindings - Black - Medium Flex Rating (1 Soft - 10 Stiff) - 8 Triple Dampening - Shock and vibration absorption system Aysm Inverted Tri-Panel - Ankle strap is designed to conform to your boot with a smooth consistent fit, increased lateral support and medial mobility. Auto Open Levers - These levers open the straps automatically when the high-back is lowered and close with just one click.