Polyester jersey knit is a type of fabric that is made from synthetic fibers and is widely used in the fashion industry. This fabric is known for its stretchiness, durability, and moisture-wicking properties, and is commonly used for sportswear and activewear. Polyester jersey knit is easy to care for, and does not wrinkle easily, which makes it a popular choice for people who want a low-maintenance fabric that can be worn for long periods of time. It is also known for its bright colors and vibrant prints, which make it a popular choice for fashion designers and clothing manufacturers.