Smooth, lightweight and stretchy material Dri-FIT technology wicks away sweat Foldable design allows for full face coverage or neck coverage Swoosh design 86% polyester, 7% nylon, 5% spandex Spot clean The Nike Therma Sphere 4.0 Hood is imported. You won't have to let harsh winter weather slow you down when you wear the Nike Therma Sphere 4.0 Hood. It pulls double duty as a balaclava and neck warmer that will keep you feeling toasty during even the coldest winter days.