They also have a thick layer of fat which helps keep them warm.

Thin layers of fat under the skin glisten in the sun.

For a few people, though, life without that layer of fat is a sobering and not very pleasant reality.

She is coated with quite a considerable layer of fat.

They are not skinned before cooking, so you get the full layer of fat under the skin.

Remove the layer of fat that forms on the surface.

Remove the skin, leaving behind a thin layer of fat.

Look at the layers of fat on the legs and chest.

The females are somewhat larger than the males because they have an extra layer of fat.

And I reckon four layers of fat will be even better than one.