Comes with spreader bar. We find the Ion harnesses fit a bit bigger than a Dakine waist harness - so if you are a large in a Dakine you will probably be a medium in the Ion.
Ion Radium 7 Windsurf Waist Harness
Ion is known for high quality, high performance windsurfing gear - and the Radium 7 waist harness is no exception. The supported EVA foam construction molds to your shape for fantastic comfort and the extruded polymer spine gives a bit of stiffness along your spine, right where you want it Ion's unique C-bar spreader bar is injection molded with fiber reinforced materials and a stainless hook, you only have to adjust the harness once, and then the tension lever optimally tightens the harness when you put it on.
Ion has a rating system to compare the relative stiffness of there harnesses. The Radium 7 has flex index of 7 on a scale from 1 to 20 - so a bit softer than the hard shell harnesses that are also on the market. If you prefer a softer feeling harness that will still stay in place and be super comfy - this is the harness for you!