GUY COTTEN is an outdoor wear brand that was founded in 1964 in Concarneau, Brittany, France. Concarneau is known as one of the largest port towns in France. GUY COTTEN has created a light and durable sailing jacket that is easy for fishermen to wear in a town where such fishing is not easy. The brand's motto is “Shelter for sailors”. As the word says, it is not only a strong waterproof function, it is easy to wear even with multiple layers of fabric, a device that rain and wind do not enter from the cuffs, a hood that does not block the view, a function that prevents condensation on the inside, etc. It is packed with various important functions.