Polypropylene Thermal Underwear Neck Gators and Neck Warmers from Military Thermal, great companion accessories of other thermal gear used for full neck cover, help avoids colds, flu and hypothermia, made for the coldest winter days giving warm and comfort for men, women and children. Polypropylene Military Thermal Underwear is finest for its lowest heat transfer, thermal conductivity and exceptional moisture away keeping the body heat and skin dry during outdoor activities on extreme cold days such as camping, hunting, skiing, hiking, running and other activities under the cold weather. Polypropylene Underwear Neck Gator is soft, color fast, resist fading and continues to look good even in chlorinated climates and gives extra warm, comfort and protection on your neck area.