TKB (The Kiteboarder Magazine) interviews Ben Skaggs at the AWSI Board Sports Expo on the 2019 ION Harness line up.
Here's a teaser video of the 2019 ION harness range. Special things of note, the very popular Apex and Apex Select stay and are high back in shape, the Vertex changes name to the Riot and are low back shape, and the top of the range CS, carbon shell, range continues, with a womens version of the CS launched. So stiffness through the back from low to high is: Apex > Riot > CS - Carbon Shell