Exclusive insole with hollow foot support for optimal support and comfort for feet with medium high foot. The sole is made of a molded TPU core that stabilizes the foot and provides extra support around the hollow foot and heel. In addition, it consists of soft, shock-absorbing EVA / PU foam that breathes and has been reinforced with durable polyester for optimum durability. Under the heel is 3 mm Poron for extra good shock absorption. The sole is antistatic and ESD compatible. It can be cut to fit the sole to the shoe. Use the existing sole as a template for optimal fit.