"Soft Sole" is a global insole brand.
"Sofsole" has been sold by IMPLUS (Implus) in 1991, and is a global insole brand that is sold in more than 70 countries around the world (as of May 2017).
Developed after a long term foot disease study is a new product that can withstand intense sports activities as well as durability that can only be reduced by 8% per year under normal use.
If you suffer from the insole, please check the brand history.The brand history is a testament to the stack of research.