Wool fiber actually has tiny pores. When it's dyed, the pores open and the dye is absorbed into it. That's why wool garments look and stay so rich in color.
Wool can be stretched up to 70% of its natural length and still retain its shape when released. In other words, it won't sag and wrinkles relax easily.
Wool's natural climate control system keeps you comfortable because it insulates you from heat and cold by trapping little pockets of air.
Wool is so strong, it's used to cover tennis balls and billiard tables. So fine, it's the choice of tailors and designers around the world.