If possible, slip the platen through the Softshell so there is only one layer of fabric on top. Otherwise lay shirt on top of the platen. Avoid pockets if possible.
100% polyester does not hold moisture, so it should not require a prepress unless you just need to smooth out the fabric for 2 seconds.
Position the transfer on the garment. Lay teflon sheet or parchment paper over the Supacolor.
Hot peel immediately from a corner in one smooth motion. Peel with confidence and without hesitation. Hold down soft shell with your free hand for better control.
Use a teflon sheet or parchment to seal the edges of the Supacolor.