This is the most popular hair system base in Europe. The hair is injected into the base and then multiple layers of poly silk are applied, sealing the hari in the system. This hair system looks exactly like the scalp when looking down on top of it. The hari ahs a good lift characteristic, due to the way it is injected into the base. It never gets the flat hairpiece look. This is a labor intensive unit and may take a little longer to manufacture. Average life of this unit is 5-6 months.