It is one of the most professional and largest outdoor sports and leisure brands in Korea. The symbol used is the image of a black yak. Founded in 1996, it belongs to Jin Dong company, specializing in the design, production and sales of outdoor clothing, and enjoys a high reputation in South Korea. Because clothes are usually in the field of outdoor sports, it means that every climber has the same resolute quality as black yak. Not only the quality of clothes is good, but also the meaning is good. It is very popular in the world, especially in Southeast Asia, and of course its grade is relatively high.