Below are some of the most common types of wool and their applications.
Sherpa wool - Sherpa wool is 100% polyester and is easily recognizable for its fluffy texture. As an alternative to wool fleece, Sherpa fleece is often used in linings to increase
Cotton or cotton-blend wool - mainly used for outerwear, such as sweatshirts and sweatpants. These wools have a smooth outer surface and a plush inner fleece. Cotton-blend polar fleece and polyester-blend polar fleece make it a top choice for bedding.
Polyester Fleece - The fastest growing application, polyester fleece garments have always been popular and can be identified by their smooth outer layer, plush inner layer, and shiny appearance.
Microfleece - A soft and lightweight double-sided fleece that excels at wicking moisture and retaining heat. Microfleece is the most popular choice for performance apparel.
Polar fleece -- a thicker, warmer alternative to microfleece -- allows it to retain heat more efficiently. This beneficial heat retention makes polar fleece ideal for blankets, heavy jackets, and cold climates.