Ponytail Opening: Back opening allows a comfortable fit for athletes with long hair. Therma-FIT Warmth: Advanced thermal fabric retains heat while managing sweat for cold-weather workouts. Versatile Coverage: Can be worn as a hood, neck gaiter, or face mask for different conditions. Lightweight & Breathable: Stretchy, moisture-wicking material keeps airflow while staying snug. Versatile Performance: Perfect for running, training, or outdoor sports in chilly weather. Stay warm and focused in cold weather with the Nike Therma-FIT Sphere Hood 5.0, designed with thermal fabric, a comfortable fit, and a convenient ponytail opening for runners and athletes.