When the undercoat is compared to that of Northern breeds, how is the Tibetan Spaniel's undercoat characterized?

Answer

Finer and designed for milder insulation

Unlike some Northern breeds, the Tibetan Spaniel's undercoat is fine and soft, offering milder insulation suitable for temperature swings rather than extreme cold.

When the undercoat is compared to that of Northern breeds, how is the Tibetan Spaniel's undercoat characterized?
animalrazaspanielpelocabello