Fleece

Fleece is a soft, insulating fabric made from polyester fibers, often used in outdoor and casual clothing. It mimics the warmth and comfort of wool but is lighter, dries quickly, and resists wrinkles and shrinking. The fabric is created through a process called "fleece fabrication," which involves brushing the polyester to create a plush, fuzzy surface that traps heat. Because it's lightweight and retains warmth even when wet, fleece is popular for jackets, sweatshirts, and outdoor gear, offering a comfortable, breathable, and moisture-wicking alternative to traditional wool.