Wool or Cashmere for Blazer Material

Question:
What is better a wool coat/blend or solid cashmere for a blazer?

Reply:
Cashmere is light in weight for its thickness and provides a higher degree of warmth than other fabrics of similar weight. Good quality cashmere feels and looks very luxurious and plush, more so than almost any other fabric. The disadvantage of cashmere is that it is much more delicate than a good quality wool. What makes a good blazer really depends on the features that are important to you.