Argus for Running.The mens ARGUS Jacket is a technical running top for cold weather training ergonomically designed for all kinds of high-output cool weather activities. Octa Loft breathable synthetic insulation in the front and shoulders stays warm when wet and dries quickly giving minimum bulk. The Lumin nylon face fabric sheds wind and light moisture. A Torrent back panel offers breathability moisture wicking ventilation and freedom of movement.