Polar fleece is a soft, synthetic fabric made from polyester. It is known for its warmth, lightweight nature, and breathability, making it a popular choice for outdoor clothing and blankets. The fabric is created through a process that involves spinning polyester fibers into a fluffy texture, which helps trap heat. This material is also easy to care for, as it is machine washable and dries quickly. Additionally, polar fleece is often used in jackets, hats, and sleeping bags, providing comfort and insulation in cold weather. Its versatility and durability make it a favorite among outdoor enthusiasts.