Made of comfortable, lightweight, flexible material, the Flex-Wear Headband fits over or under hard hats. The wide band means extra coverage for ears and forehead. Stretch fabric means easy on-off and less bulk – easy to store in your pocket. It features 92% Polyester / 8% Spandex, a wide band for extra coverag, easy fit over or under hard hat to create seal, and stretch for easy-on and added comfort. Available in black, charcoal, lime, navy. One size fits all.