Protective clothing for protecting against harmful chemical/biological substances, especially for civil/military purposes, has a multilayered structure and ventilation apertures

摘要

A multilayered structure (2) has an outer material (3) and an inner material (4) with a protective function against harmful chemical/biological substances. Ventilation apertures (5) are sealed with a filtering material to allow gas, especially air, to pass through and to absorb harmful chemical/biological substances.