Footwear insole, in a multi-layer structure, has a lower section with a barrier layer towards the footwear covered by an upper layer with windows to expose the textile surface of the lower section towards the foot

摘要

The multi-layer footwear insole (1) has a lower section with a surface towards the foot and a surface towards the footwear. A lower cover (3) has a barrier layer towards the shoe and a textile structure on the surface towards the foot. An upper covering (4), with a textile structure towards the foot, has at least one window (6) to expose the surface of the lower section.