Most part of modern body armor models have special flapper for documents, keys or map. But the problem covers in velcro usage in this type of flappers. It doesn`t allow to open it fast and silent.

ArsArma LLC has solved the problem, they developed "Zipper" inner pouch, which is mounted into upper frontal pocket of any platecarrier and makes flapper opening silent and fast and allows not to worry for some valuable items.