What type of clothing is a guernsey?

A guernsey is a knitted sweater or jumper that originated in the Channel Islands. It is typically made from wool and is designed to be warm and durable, making it a popular choice for outdoor activities such as fishing and sailing. Guernseys are known for their distinctive patterns, which often feature diamonds, zigzags, or other geometric designs. They are typically knitted in a variety of colors, including navy, red, white, and green. Guernseys have a long history and have been worn by fishermen and sailors for centuries. They are still popular today and can be found in many parts of the world.