The Ultimate Bandanna from Hot Shield USA is a nearly 100% fire-proof, multi-layer bandanna designed for use in wildland/outdoor firefighting. Made of multiple layers of CarbonX materials that withstand over 2000 degrees F. Wraps around face and Velcros behind the neck. Integral nose pinch bar for performance & comfort. Light, small and easily donned. Easy breathing. Not designed for use with a filter. One size fits all.