| RefrigiWear Flex-Wear Headband | Lightweight | Navy | Ragg Wool/Polyester/Fabric | One-Size. RefrigiWear The headband that flexes with you while you work. Flex-Wear is thin, lightweight and flexible, providing you warmth without slowing you down. 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. 92% Polyester / 8% Spandex Wide band for extra coverage Fits over or under hard hat to create seal Stretch... - RefrigiWear Flex-Wear Headband | Lightweight | Navy | Ragg Wool/Polyester/Fabric | One-Size. |