Haglofs Gram GORE-TEX Active Shell Waterproof Running Jacket GORE-TEX Active Shell Fabric - Garments engineered with the lightweight GORE-TEX Active Shell product technology are built for extreme breathability and optimized sweat management, allowing for optimum comfort during exercise. Windproof Layer - Designed to keep you warm and provides full protection against blustery wind in those difficult weather conditions. Innovative Pattern Construction - Helps to reduce weight and bulk. Adjustable Three Way Hood - This jacket features adjustable drawcords for a customised fit. Dropped Rear Hem - Provides additional protection against elements.