Flame Resistant Anti-Static Coveralls provide an ultimate layer of protection against many hazards associated with certain jobs in the workplace. These coveralls are light weight constructed with 99% cotton for comfort interwoven with 1% carbon fiber enabling anti-static properties. Very important for jobs pertaining to fuel, ammunition, tank inspections, and areas of explosive concern. This is an incredible product that will help prevent static electricity in these areas and is made with the best materials to ensure longevity.