Nike Therma Sphere Running Neck Warmer 4.0 - Black

Focus on the path in front of you and not the cold air that surrounds you. With thermal fabric that helps manage your body's natural heat in chilly weather, this neck warmer is convertible with a fold-over design that gives you options for face coverage. Benefits:Nike Therma-FIT technology helps manage your body's natural heat to help keep you warm in cold-weather conditions.The folder-over design provides adjustable face coverage.