abonet+JARI Bead Inner (Soft) Retail Price: ¥5,720 Used a few times. Please understand that this is a used item. ● abonet+JARI Bead Inner The cushioning material made of polyethylene beads, developed by abonet and JARI, reduces the "risk of serious injury" by approximately 60% (※) by aligning polyethylene beads with a diameter of about 1cm in the same direction, resulting in high impact absorption performance. In addition, the bead shape with holes in the center also provides moderate breathability and elasticity. ※ The hard type reduces the risk of serious injury by approximately 80%, and the soft type by approximately 60%. Adjust the size with the stopper at the back. Please use it with a deep hat such as a knit cap or watch cap.