FDT Toe Piece  Light Weight Multi directional Release Easy Step-In/ Step-Out Gripwalk Compatible DIN Range 2-7 The NX 7 GripWalk® binding is designed for Junior competitive skiers. Its lightweight FDC toe piece and NX heel come together to provide good power transmission and multi-directional release. It's compatible with ISO 5355 A and GripWalk® ISO 23223 A adult boot soles. Look Look Youth NX 7 GW Ski Binding