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.