| The pelage consists of a dense, soft underfur overlaid with dark and glossy guard hairs. |
| The fur of a dassie rat is soft and silky, but there is no underfur. |
| Dense fur, a mixture of permanent underfur and longer top hairs that are shed annually, covers the rest of their body. |
| The fur of sea otters is very dense with an insulating underfur and a layer of long guard hairs over the top which trap a layer of air, adding further to the insulation. |
| The short underfur is dense and silky, while the longer guard hairs are coarser and glossy. |
| The yellowish or reddish brown coat contains coarse guard hairs overlying soft, dense underfur. |
