Nylon jackets normally have a water proof treatment that will keep anything from sticking to it. In addition, some nylons have a low melting point so they will melt with heat over that point.
If you are screen printing you will need to use an additive, If you are using vinyl you will need to use a vinyl made for nylon.
Embroidery is the better option for this material.
If you are screen printing you will need to use an additive, If you are using vinyl you will need to use a vinyl made for nylon.
Embroidery is the better option for this material.