SIZE: L Sleeve Length: 87.5cm Body Width: 59cm Length: 72cm Hood can be stored The "Gen III Level 7 Jacket," boasting the best cold protection, is part of the US Army's ECWCS (Extended Cold Weather Clothing System) Gen III, a system composed of 7 types of tops and 5 types of bottoms to handle various climates and situations. Made by Houston. Level 7 uses Thinsulate as the final cold-weather outer layer and nylon fabric for the outer shell, making it suitable for various scenes such as outdoor activities, motorcycling, and urban environments.