Reindeer can come in many colors. They are often described as having a brown or gray coat, but they can also be black, white, red, or even spotted. Reindeer also have a unique pattern of white markings on their faces and chests, which can be seen as a sign of beauty. Some reindeer also have a unique trait known as "spike antlers," which are longer and more pointed than the usual reindeer antlers. The colors and markings on a reindeer's coat and antlers can vary depending on the individual reindeer's genetics.