Activities in the North Face Boundary Triclimate field, such as geological study tours, mountain climbing, hiking, adventure, travel, and so on, to prevent getting lost, correctly determine the location and orientation, you must have position and lateral method. In nature, some animal instincts with the distinguished direction, such as pigeons.
Some members also have this ability of mankind, but most people do not have, or only this kind of potential, so for outdoor activities you need not only more than the north face denali vest, but also at least one tool that help you identify the directions.
