Nike Therma-FIT Tech Fleece Headband. Stay warm during those chilly morning runs. Thermal technology helps to manage your body's natural heat in the cold, while the Tech Fleece is warm without adding any weight or bulk. Cold ears are a thing of the past—the additional ear coverage adds extra warmth. Nike Therma-FIT technology helps manage your body’s natural heat to help keep you warm in cold-weather conditions. Nike's premium, lightweight fleece–smooth both inside and out–gives you plenty of warmth without adding bulk. Contoured design creates optimal fit and coverage. 70% Polyester 20% Cotton 10% Spandex. Hand wash. Imported.