Microfiber is a synthetic material that is known for its softness, durability, and ability to wick away moisture. The collar on a microfiber collar neck t-shirt is typically made of this material to provide a comfortable and breathable fit. These shirts are available in various designs, including round neck, polo, and oversized tees, and are suitable for both men and women. They are ideal for corporate uniforms, events, or casual wear. Some microfiber collar neck t-shirts are made of a blend of cotton and polyester, making them lightweight and easy to care for.