Stone Island David TC PrimaLoft® Field JacketThe Stone Island Field Jacket in David TC with PrimaLoft P. U. R. E insulation combines advanced fabric technology with innovative design. Starting with a star shaped cross section Japanese polyester polyamide substrate, the garment is sewn and then simultaneously garment dyed and treated with an anti drop agent. During the dye process, under pressure at 130C, the fabric undergoes heat induced compression, radically transforming its texture and