What is the collective noun of layers?

There isn't a specific, widely accepted collective noun for layers.

Here are some options depending on the context:

General:

* Stack of layers

* Series of layers

* Set of layers

Specific:

* Strata (for geological layers)

* Tiers (for organizational layers)

* Sheets (for thin layers)

You could also get creative and use a more descriptive phrase like:

* A tapestry of layers

* An intricate arrangement of layers

* A complex layering

Ultimately, the best choice depends on the specific context and the layers themselves.