Lightweight and warmly insulated jacket for high-intensity activities in changeable weather conditions. The close-fitting design offers GORE-TEX INFINIUM 2L weather protection in key areas, with highly breathable sections and additional stretch for freedom of movement, as well as body temperature regulation in all other areas. Polartec Alpha provides excellent insulation in a lightweight and compact format, preventing overheating during high-intensity activities. This highly versatile garment is suitable for all fast-paced activities in cold weather.