CHARACTERISTICS: made of membrane provides 100% protection against wind and cold flat seams fleece on the ears perfect for ski, bicycle and motorcycle helmets ensures adequate thermal comfort in sub-zero temperatures MEMBRANE: Windproof and breathable membrane flexible, insulated with micro-fleece on the bottom The membrane is not waterproof Used to produce clothing that insulates against wind and cold. It allows for good air circulation and is perfect for outdoor sports performed in unfavorable weather conditions.