N-Ferno 6887 2-Layer Winter Headband, Spandex/Fleece, One Size Fits Most, Black Heat-trapping grid polyester fleece for warmth in mild to extreme conditions. Stretchable spandex/polyester blend comfortably fits most head sizes. Breathable for lightweight, comfortable warming. Low profile so you can wear alone or under a hard hat. Contoured design for full ear and forehead coverage. Reflective accents keep wearers safe and seen.