How fine is the fiber produced by the vicuña compared to other natural animal fibers?

Answer

6 to 12 micrometers

Vicuña fiber is recognized as the finest natural animal fiber in the world, measuring between 6 to 12 micrometers in diameter. This exceptional fineness surpasses even that of high-grade cashmere, contributing to the fiber's renowned softness and heat-retaining properties in cold climates.

How fine is the fiber produced by the vicuña compared to other natural animal fibers?
animalphysical characteristicVicuña