Here's a breakdown:
* Guard hair: This is the outer layer, and it's coarse and strong, protecting the alpaca from the elements.
* Secondary fiber: This is the middle layer, and it's softer and finer than the guard hair. It provides insulation and warmth.
* Down: This is the innermost layer, and it's incredibly soft and luxurious. It's responsible for most of the alpaca's warmth.
Llama fleece, on the other hand, is typically made up of two layers:
* Guard hair: This layer is more coarse and strong, providing protection.
* Secondary fiber: This is the inner layer, softer and finer than the guard hair, providing insulation.
Both alpacas and llamas have fleeces that are highly sought after for their warmth, softness, and durability. However, the extra layer of down in alpaca fleece makes it even softer and more luxurious.