Fleece

Fleece Materials
– Fleeces are coats of domestic sheep or long-haired goats, commonly used after being shorn.
– Polar fleece is a polyester fabric often found in jackets.
– Horticultural fleece is a polypropylene fabric used for plant protection.
– Fleece blankets are popular for their softness and warmth.
– Microfleece is a lightweight fabric used in outdoor clothing.

Source: https://en.wikipedia.org/wiki/Fleece