The Polyknit Light headband Headbands. Good for keeping ears warm, hair out of the face and pretty stylish when running or out on the classic tracks, too. Envisioned as one of winter's most versatile layers, this headband is made from recycled fabric, cut and sewn in a European factory, helps wick sweat, and is an all-around all-star for winter workouts. Designed to keep ears warm and to keep you moving.