Magic tops require you to start the glitch wearing the standard outfit “The Effortless”.
Do not apply any parachutes, trigger a save only.
To save in your C1 Outfit position, choose the Vest from the chart below that will give you the desired colour.
You can watch a video about making this top here
For your C2 Outfit, save the MISBHV x KM Light Sweater found under Labels at the clothing store.