Stay warm on those chilly morning runs in this soft, easy-fitting top. Heat-regulating tech helps manage your body's natural warmth. Plus, a turtleneck design and thumbholes let you tuck in when the wind picks up. Benefits Nike Therma-FIT technology helps manage your body's natural heat to help keep you warm in cold-weather conditions. Thumbholes let you extend your coverage and help hold the sleeves in place while you move. Collar stretches to cover your face. Product Details 95% polyester/5% spandex Machine wash Imported Reflective elements Not intended for use as Personal Protective Equipment (PPE)