Great Test Result in Wind Mag!
In their latest issue (#420 May-June 2019) Windmag has tested the IRIS X 6.6 and has loved it!
in brief, they say the IRIS X 6.6 is well designed and feels like a third wing in hands (after the frond wing and foil stabilizer). It is very light and although it is only 6.6, it is efficient in light wind. Perfect for foil-freeracer.