THE APEX 8 IS AN ADVANCEMENT OF ION'S BEST SELLER AND CONVINCES WITH ION'S PROVEN HARNESS DESIGN. FOR FURTHER IMPROVEMENT OF THIS MODEL, ION ADDED A UNIQUE 3D CURV_SPINE. THE HIGH OUTLINE PROVIDES OPTIMAL BACK SUPPORT THANKS TO A LARGER AREA. ADDITIONALLY, THE DESIGN FEATURES CONTROLLED RIGIDITY IN THE CENTER WITH FLEXIBLE SIDE PARTS, RESULTING IN A PERFECTLY BALANCED HARNESS OF SUPPORT AND FREEDOM OF MOVEMENT. WITH A FLEX INDEX OF 8, IT IS ONE OF THE MEDIUM RIGID MODELS OF ION'S HARNESS RANGE AND TURNS OUT TO BE A REAL ALL-AROUND TALENT. THE APEX 8 WAS ADDITIONALLY EQUIPPED WITH ION'S SPECIAL C_BAR AND EXTRA KITE_KNIFE ON TOP.