"He who marches out of step hears another drum." ~ Ken Kesey
Silicone inks work well for these products howver we still struggle with that ink drying issue. DC UB works best in my opinion
The worse garment we have struggled with is not a tri-blend but 95% poly and 5% spandex. It just prints like crap, hard to dial the flash and slinky as hell on the palettes.