Nike Run Therma Sphere 3.0 Neck Warmer Gray N0003792031 Properties: The classic Nike scarf is perfect for everyday use and active activities. Flexible design. The scarf can be worn around the neck or on the lower part of the face. Quick-drying fabric. Reflective manufacturer's logo. Therma-FIT technology keeps you warm. Material: 85% polyester, 15% spandex