Flow 2013 M11 (Black) Snowboard Bindings ORIGINAL RECLINING HIBACK The fully flat reclining hiback is a pivotal part for the fastest SpeedEntry. POWER TRIANGLE The steel cable creates a structural triangular geometry for optimal energy transfer from hiback to baseplate. MODBACK HIBACKS These modular hibacks separate the lower and upper zones, using a strong and reliable Aluminum alloy heelcup, which on the NX2-Series also automatically triggers N.A.S.T.Y. The upper zone uses independently adjustable SupportPanels with model-specific